GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
DeclareProperty("IsCrystTranslationSubGroup",IsMatrixGroup); DeclareGlobalFunction("FactorizationNParts"); DeclareGlobalFunction("VectorToCrystMatrix"); DeclareGlobalFunction("TranslationSubGroup"); DeclareGlobalFunction("CrystTranslationMatrixToVector"); DeclareGlobalFunction("IsIntList"); DeclareGlobalFunction("IsCrystSameOrbit"); DeclareGlobalFunction("AddFirst"); DeclareGlobalFunction("CombinationDisjointSets"); DeclareGlobalFunction("IsCrystSufficientLattice"); DeclareGlobalFunction("ResolutionBoundaryOfWordOnRight"); DeclareGlobalFunction("CrystFinitePartOfMatrix"); DeclareGlobalFunction("CrystGFullBasis"); DeclareGlobalFunction("CrystGcomplex"); DeclareGlobalFunction("CrystCubicalTiling"); DeclareGlobalFunction("ResolutionCubicalCrystGroup"); DeclareGlobalFunction("AverageInnerProduct"); DeclareGlobalFunction("OrthogonalizeBasisByAverageInnerProduct"); DeclareGlobalFunction("CrystMatrix"); DeclareGlobalFunction("BredonChainComplex"); DeclareGlobalFunction("FreeZGResolution");