\contentsline {chapter}{\numberline {1}\leavevmode {\color {Chapter }Introduction}}{6}{chapter.1}
\contentsline {section}{\numberline {1.1}\leavevmode {\color {Chapter }General aims}}{6}{section.1.1}
\contentsline {section}{\numberline {1.2}\leavevmode {\color {Chapter }General computations in group rings}}{6}{section.1.2}
\contentsline {section}{\numberline {1.3}\leavevmode {\color {Chapter }Computations in the normalized unit group}}{7}{section.1.3}
\contentsline {section}{\numberline {1.4}\leavevmode {\color {Chapter }Computing Lie properties of the group algebra }}{7}{section.1.4}
\contentsline {section}{\numberline {1.5}\leavevmode {\color {Chapter }Installation and system requirements}}{7}{section.1.5}
\contentsline {chapter}{\numberline {2}\leavevmode {\color {Chapter }A sample calculation with \textsf {LAGUNA}}}{8}{chapter.2}
\contentsline {chapter}{\numberline {3}\leavevmode {\color {Chapter }The basic theory behind \textsf {LAGUNA}}}{14}{chapter.3}
\contentsline {section}{\numberline {3.1}\leavevmode {\color {Chapter }Notation and definitions}}{14}{section.3.1}
\contentsline {section}{\numberline {3.2}\leavevmode {\color {Chapter }$p$-modular group algebras}}{15}{section.3.2}
\contentsline {section}{\numberline {3.3}\leavevmode {\color {Chapter }Polycyclic generating set for $V$}}{15}{section.3.3}
\contentsline {section}{\numberline {3.4}\leavevmode {\color {Chapter }Computing the canonical form}}{16}{section.3.4}
\contentsline {section}{\numberline {3.5}\leavevmode {\color {Chapter }Computing a power commutator presentation for $V$}}{17}{section.3.5}
\contentsline {section}{\numberline {3.6}\leavevmode {\color {Chapter }Verifying Lie properties of $FG$}}{17}{section.3.6}
\contentsline {chapter}{\numberline {4}\leavevmode {\color {Chapter }\textsf {LAGUNA} functions}}{18}{chapter.4}
\contentsline {section}{\numberline {4.1}\leavevmode {\color {Chapter }General functions for group algebras}}{18}{section.4.1}
\contentsline {subsection}{\numberline {4.1.1}\leavevmode {\color {Chapter }IsGroupAlgebra}}{18}{subsection.4.1.1}
\contentsline {subsection}{\numberline {4.1.2}\leavevmode {\color {Chapter }IsFModularGroupAlgebra}}{18}{subsection.4.1.2}
\contentsline {subsection}{\numberline {4.1.3}\leavevmode {\color {Chapter }IsPModularGroupAlgebra}}{19}{subsection.4.1.3}
\contentsline {subsection}{\numberline {4.1.4}\leavevmode {\color {Chapter }UnderlyingGroup (of a group ring)}}{19}{subsection.4.1.4}
\contentsline {subsection}{\numberline {4.1.5}\leavevmode {\color {Chapter }UnderlyingRing}}{19}{subsection.4.1.5}
\contentsline {subsection}{\numberline {4.1.6}\leavevmode {\color {Chapter }UnderlyingField}}{20}{subsection.4.1.6}
\contentsline {section}{\numberline {4.2}\leavevmode {\color {Chapter }Operations with group algebra elements}}{20}{section.4.2}
\contentsline {subsection}{\numberline {4.2.1}\leavevmode {\color {Chapter }Support}}{20}{subsection.4.2.1}
\contentsline {subsection}{\numberline {4.2.2}\leavevmode {\color {Chapter }CoefficientsBySupport}}{20}{subsection.4.2.2}
\contentsline {subsection}{\numberline {4.2.3}\leavevmode {\color {Chapter }TraceOfMagmaRingElement}}{21}{subsection.4.2.3}
\contentsline {subsection}{\numberline {4.2.4}\leavevmode {\color {Chapter }Length}}{21}{subsection.4.2.4}
\contentsline {subsection}{\numberline {4.2.5}\leavevmode {\color {Chapter }Augmentation}}{21}{subsection.4.2.5}
\contentsline {subsection}{\numberline {4.2.6}\leavevmode {\color {Chapter }PartialAugmentations}}{22}{subsection.4.2.6}
\contentsline {subsection}{\numberline {4.2.7}\leavevmode {\color {Chapter }Involution}}{22}{subsection.4.2.7}
\contentsline {subsection}{\numberline {4.2.8}\leavevmode {\color {Chapter }IsSymmetric}}{23}{subsection.4.2.8}
\contentsline {subsection}{\numberline {4.2.9}\leavevmode {\color {Chapter }IsUnitary}}{23}{subsection.4.2.9}
\contentsline {subsection}{\numberline {4.2.10}\leavevmode {\color {Chapter }IsUnit}}{23}{subsection.4.2.10}
\contentsline {subsection}{\numberline {4.2.11}\leavevmode {\color {Chapter }InverseOp}}{24}{subsection.4.2.11}
\contentsline {subsection}{\numberline {4.2.12}\leavevmode {\color {Chapter }BicyclicUnitOfType1}}{24}{subsection.4.2.12}
\contentsline {section}{\numberline {4.3}\leavevmode {\color {Chapter }Important attributes of group algebras}}{25}{section.4.3}
\contentsline {subsection}{\numberline {4.3.1}\leavevmode {\color {Chapter }AugmentationHomomorphism}}{25}{subsection.4.3.1}
\contentsline {subsection}{\numberline {4.3.2}\leavevmode {\color {Chapter }AugmentationIdeal}}{25}{subsection.4.3.2}
\contentsline {subsection}{\numberline {4.3.3}\leavevmode {\color {Chapter }RadicalOfAlgebra}}{26}{subsection.4.3.3}
\contentsline {subsection}{\numberline {4.3.4}\leavevmode {\color {Chapter }WeightedBasis}}{26}{subsection.4.3.4}
\contentsline {subsection}{\numberline {4.3.5}\leavevmode {\color {Chapter }AugmentationIdealPowerSeries}}{27}{subsection.4.3.5}
\contentsline {subsection}{\numberline {4.3.6}\leavevmode {\color {Chapter }AugmentationIdealNilpotencyIndex}}{27}{subsection.4.3.6}
\contentsline {subsection}{\numberline {4.3.7}\leavevmode {\color {Chapter }AugmentationIdealOfDerivedSubgroupNilpotencyIndex}}{27}{subsection.4.3.7}
\contentsline {subsection}{\numberline {4.3.8}\leavevmode {\color {Chapter }LeftIdealBySubgroup}}{28}{subsection.4.3.8}
\contentsline {section}{\numberline {4.4}\leavevmode {\color {Chapter }Computations with the unit group}}{29}{section.4.4}
\contentsline {subsection}{\numberline {4.4.1}\leavevmode {\color {Chapter }NormalizedUnitGroup}}{29}{subsection.4.4.1}
\contentsline {subsection}{\numberline {4.4.2}\leavevmode {\color {Chapter }PcNormalizedUnitGroup}}{29}{subsection.4.4.2}
\contentsline {subsection}{\numberline {4.4.3}\leavevmode {\color {Chapter }NaturalBijectionToPcNormalizedUnitGroup}}{29}{subsection.4.4.3}
\contentsline {subsection}{\numberline {4.4.4}\leavevmode {\color {Chapter }NaturalBijectionToNormalizedUnitGroup}}{30}{subsection.4.4.4}
\contentsline {subsection}{\numberline {4.4.5}\leavevmode {\color {Chapter }Embedding}}{30}{subsection.4.4.5}
\contentsline {subsection}{\numberline {4.4.6}\leavevmode {\color {Chapter }Units}}{31}{subsection.4.4.6}
\contentsline {subsection}{\numberline {4.4.7}\leavevmode {\color {Chapter }PcUnits}}{32}{subsection.4.4.7}
\contentsline {subsection}{\numberline {4.4.8}\leavevmode {\color {Chapter }IsGroupOfUnitsOfMagmaRing}}{32}{subsection.4.4.8}
\contentsline {subsection}{\numberline {4.4.9}\leavevmode {\color {Chapter }IsUnitGroupOfGroupRing}}{32}{subsection.4.4.9}
\contentsline {subsection}{\numberline {4.4.10}\leavevmode {\color {Chapter }IsNormalizedUnitGroupOfGroupRing}}{33}{subsection.4.4.10}
\contentsline {subsection}{\numberline {4.4.11}\leavevmode {\color {Chapter }UnderlyingGroupRing}}{33}{subsection.4.4.11}
\contentsline {subsection}{\numberline {4.4.12}\leavevmode {\color {Chapter }UnitarySubgroup}}{33}{subsection.4.4.12}
\contentsline {subsection}{\numberline {4.4.13}\leavevmode {\color {Chapter }BicyclicUnitGroup}}{34}{subsection.4.4.13}
\contentsline {subsection}{\numberline {4.4.14}\leavevmode {\color {Chapter }AugmentationIdealPowerFactorGroup}}{34}{subsection.4.4.14}
\contentsline {subsection}{\numberline {4.4.15}\leavevmode {\color {Chapter }GroupBases}}{35}{subsection.4.4.15}
\contentsline {section}{\numberline {4.5}\leavevmode {\color {Chapter }The Lie algebra of a group algebra}}{35}{section.4.5}
\contentsline {subsection}{\numberline {4.5.1}\leavevmode {\color {Chapter }LieAlgebraByDomain}}{35}{subsection.4.5.1}
\contentsline {subsection}{\numberline {4.5.2}\leavevmode {\color {Chapter }IsLieAlgebraByAssociativeAlgebra}}{36}{subsection.4.5.2}
\contentsline {subsection}{\numberline {4.5.3}\leavevmode {\color {Chapter }UnderlyingAssociativeAlgebra}}{36}{subsection.4.5.3}
\contentsline {subsection}{\numberline {4.5.4}\leavevmode {\color {Chapter }NaturalBijectionToLieAlgebra}}{36}{subsection.4.5.4}
\contentsline {subsection}{\numberline {4.5.5}\leavevmode {\color {Chapter }NaturalBijectionToAssociativeAlgebra}}{37}{subsection.4.5.5}
\contentsline {subsection}{\numberline {4.5.6}\leavevmode {\color {Chapter }IsLieAlgebraOfGroupRing}}{37}{subsection.4.5.6}
\contentsline {subsection}{\numberline {4.5.7}\leavevmode {\color {Chapter }UnderlyingGroup (of Lie algebra of a group ring)}}{38}{subsection.4.5.7}
\contentsline {subsection}{\numberline {4.5.8}\leavevmode {\color {Chapter }Embedding}}{38}{subsection.4.5.8}
\contentsline {subsection}{\numberline {4.5.9}\leavevmode {\color {Chapter }LieCentre}}{39}{subsection.4.5.9}
\contentsline {subsection}{\numberline {4.5.10}\leavevmode {\color {Chapter }LieDerivedSubalgebra}}{39}{subsection.4.5.10}
\contentsline {subsection}{\numberline {4.5.11}\leavevmode {\color {Chapter }IsLieAbelian}}{40}{subsection.4.5.11}
\contentsline {subsection}{\numberline {4.5.12}\leavevmode {\color {Chapter }IsLieSolvable}}{40}{subsection.4.5.12}
\contentsline {subsection}{\numberline {4.5.13}\leavevmode {\color {Chapter }IsLieNilpotent}}{41}{subsection.4.5.13}
\contentsline {subsection}{\numberline {4.5.14}\leavevmode {\color {Chapter }IsLieMetabelian}}{41}{subsection.4.5.14}
\contentsline {subsection}{\numberline {4.5.15}\leavevmode {\color {Chapter }IsLieCentreByMetabelian}}{41}{subsection.4.5.15}
\contentsline {subsection}{\numberline {4.5.16}\leavevmode {\color {Chapter }CanonicalBasis}}{42}{subsection.4.5.16}
\contentsline {subsection}{\numberline {4.5.17}\leavevmode {\color {Chapter }IsBasisOfLieAlgebraOfGroupRing}}{42}{subsection.4.5.17}
\contentsline {subsection}{\numberline {4.5.18}\leavevmode {\color {Chapter }StructureConstantsTable}}{43}{subsection.4.5.18}
\contentsline {subsection}{\numberline {4.5.19}\leavevmode {\color {Chapter }LieUpperNilpotencyIndex}}{43}{subsection.4.5.19}
\contentsline {subsection}{\numberline {4.5.20}\leavevmode {\color {Chapter }LieLowerNilpotencyIndex}}{43}{subsection.4.5.20}
\contentsline {subsection}{\numberline {4.5.21}\leavevmode {\color {Chapter }LieDerivedLength}}{44}{subsection.4.5.21}
\contentsline {section}{\numberline {4.6}\leavevmode {\color {Chapter }Other commands}}{44}{section.4.6}
\contentsline {subsection}{\numberline {4.6.1}\leavevmode {\color {Chapter }SubgroupsOfIndexTwo}}{44}{subsection.4.6.1}
\contentsline {subsection}{\numberline {4.6.2}\leavevmode {\color {Chapter }DihedralDepth}}{45}{subsection.4.6.2}
\contentsline {subsection}{\numberline {4.6.3}\leavevmode {\color {Chapter }DimensionBasis}}{45}{subsection.4.6.3}
\contentsline {subsection}{\numberline {4.6.4}\leavevmode {\color {Chapter }LieDimensionSubgroups}}{45}{subsection.4.6.4}
\contentsline {subsection}{\numberline {4.6.5}\leavevmode {\color {Chapter }LieUpperCodimensionSeries}}{46}{subsection.4.6.5}
\contentsline {subsection}{\numberline {4.6.6}\leavevmode {\color {Chapter }LAGInfo}}{46}{subsection.4.6.6}
\contentsline {subsection}{\numberline {4.6.7}\leavevmode {\color {Chapter }LAGUNABuildManual}}{47}{subsection.4.6.7}
\contentsline {subsection}{\numberline {4.6.8}\leavevmode {\color {Chapter }LAGUNABuildManualHTML}}{47}{subsection.4.6.8}
