# The GAP 4 Reference Manual - Index D

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d_N 18.4
Darstellungsgruppe, see EpimorphismSchurCover 37.23
data type, unknown 19.0
DataType 13.9.2
DayDMY 26.7.4
DaysInMonth 26.7.2
DaysInYear 26.7.1
Debugging and Profiling Facilities 7.0
Debugging Recursion 7.10
DEC 25.2
DeclareAutoPackage 74.4.1
DeclareHandlingByNiceBasis 59.11.1
DeclareInfoClass 7.4.2
DeclarePackage 74.4.1
DeclarePackageAutoDocumentation 74.4.2
DeclarePackageDocumentation 74.4.2
DecodeTree 46.11 46.11.1
decompose, a group character 70.8
DecomposedFixedPointVector 68.9.8
DecomposeTensorProduct 61.13.3
Decomposition 25.2.1
decomposition matrix 25.2
DecompositionInt 25.2.5
DecompositionMatrix 69.9.4
Decompositions 25.2
Decreased 70.10.7
DefaultField 56.1.4
DefaultField, for cyclotomics 18.1
DefaultField, for finite field elements 57.3
DefaultFieldByGenerators 56.1.5
DefaultFieldOfMatrix 24.3.2
DefaultFieldOfMatrixGroup 42.1.2
DefaultRing 54.1.3
DefaultRing, for finite field elements 57.3
DefaultRingByGenerators 54.1.5
DefaultStabChainOptions 41.7.3
Defining a Pcgs Yourself 43.3
DefiningPolynomial 56.2.7
DefiningQuotientHomomorphism 45.12.4
DegreeFFE 57.2.1
DegreeIndeterminate 64.6.1
DegreeOfBinaryRelation 32.2.10
DegreeOfCharacter 70.8.4
DegreeOfLaurentPolynomial 64.5.3
DegreeOfTransformation 52.0
DegreeOfTransformationSemigroup 49.1.2
DegreeOverPrimeField 56.2.6
Delta 72.1.2
denominator, of a rational 16.1
DenominatorCyc 18.1.9
DenominatorOfModuloPcgs 43.9.4
DenominatorOfRationalFunction 64.4.3
DenominatorRat 16.1.5
DepthOfPcElement 43.5.4
DepthOfUpperTriangularMatrix 24.11.3
Derangements 17.2.11
Derivations 61.2.5
Derivative 64.6.5
DerivedLength 37.16.8
DerivedSeriesOfGroup 37.16.7
DerivedSubgroup 37.11.3
DerivedSubgroupsTom 68.9.2
DerivedSubgroupsTomPossible 68.9.3
DerivedSubgroupsTomUnique 68.9.3
DerivedSubgroupTom 68.9.2
DescriptionOfRootOfUnity 18.1.11
Determinant 24.3.4
determinant character 70.8
DeterminantMat 24.3.4
DeterminantMatDestructive 24.3.5
DeterminantMatDivFree 24.3.6
DeterminantOfCharacter 70.8.18
Developing rewriting systems 36.4
DiagonalizeIntMatNormDriven 25.1.1
DiagonalizeMat 24.8.2
DiagonalMat 24.4.4
DiagonalOfMat 24.11.1
Difference 28.4.4
DifferenceBlist 22.2.3
DihedralGroup 48.1.5
Dimension 55.3.4
DimensionOfHighestWeightModule 61.13.4
DimensionOfMatrixGroup 42.1.1
DimensionOfVectors 59.8.6
DimensionsLoewyFactors 37.16.15
DimensionsMat 24.3.1
Direct Products 47.1
Direct Sum Decompositions 61.6
Directories 9.3
DirectoriesLibrary 9.3.4
DirectoriesPackageLibrary 74.4.6
DirectoriesPackagePrograms 74.4.7
DirectoriesSystemPrograms 9.3.5
Directory 9.3.1
DirectoryCurrent 9.3.3
DirectoryTemporary 9.3.2
DirectProduct 47.1.1
DirectProductOp 47.1.1
DirectSumDecomposition 60.8.18
DirectSumDecomposition, for Lie algebras 61.6.2
DirectSumOfAlgebraModules 60.10.23
DirectSumOfAlgebraModules, for Lie algebras 61.14.4
DirectSumOfAlgebras 60.8.14
disable automatic loading 74.3
DisableAttributeValueStoring 13.6.5
Discriminant 64.6.6
Display 6.2.4
Display, for character tables 69.11 70.5
Display, for tables of marks 68.4
DisplayCacheStats 7.7.11
DisplayCompositionSeries 37.16.6
DisplayEggBoxOfDClass 49.5.7
DisplayImfInvariants 48.11.2
DisplayInformationPerfectGroups 48.8.7
DisplayOptions 69.11.1
DisplayOptionsStack 8.0
DisplayProfile 7.7.8
DisplayRevision 7.8.1
DistancesDistributionMatFFEVecFFE 23.5.4
DistancesDistributionVecFFEsVecFFE 23.5.3
DistanceVecFFE 23.5.2
Distinguished Subalgebras 61.3
division 4.12.1
division rings 56.0
division, operation 30.12.1
DivisionRingByGenerators 56.1.8
divisors, of an integer 14.3
DivisorsInt 14.3.9
Dixon-Schneider algorithm 69.13
DixonInit 69.14.2
DixonRecord 69.14.1
DixonSplit 69.14.4
DixontinI 69.14.3
DMYDay 26.7.3
DMYhmsSeconds 26.7.11
DnLattice 70.10.8
DnLatticeIterative 70.10.9
do 4.19
document formats (text, dvi, ps, pdf, HTML) 2.3
Domain 30.9.3
Domain Categories 30.6
DomainByGenerators 30.9.3
Domains 12.4
Domains and their Elements 30.0
Domains Generated by Class Functions 70.16
Domains of Subspaces of Vector Spaces 59.3
DominantCharacter 61.13.2
DominantWeights 61.13.1
Double Cosets 37.8
DoubleCoset 37.8.1
DoubleCosetRepsAndSizes 37.8.5
DoubleCosets, operation 37.8.3
DoubleCosetsNC, operation 37.8.3
doublequote character 26.1
doublequotes 26.0
DownEnv 6.4.1
Dummy Streams 10.9
duplicate free 21.17
DuplicateFreeList 21.20.4
Duplication of Lists 21.7
Duplication of Objects 12.7
DxIncludeIrreducibles 69.14.6

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GAP 4 manual
May 2002