GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
12[1XIndex[0X34action of crystallographic groups 1.1-15[2XBasisChangeAffineMatOnRight[0X 2.2-26[2XBisectorInequalityFromPointPair[0X 2.3-37[2XDimensionSquareMat[0X 2.1-48[2XFaceLatticeAndBoundaryBieberbachGroup[0X 4.2-29[2XFundamentalDomainBieberbachGroup[0X 4.1-210[2XFundamentalDomainBieberbachGroup[0X 4.1-211[2XFundamentalDomainFromGeneralPointAndOrbitPartGeometric[0X 4.1-312[2XFundamentalDomainStandardSpaceGroup[0X 4.1-113[2XFundamentalDomainStandardSpaceGroup[0X 4.1-114[2XGramianOfAverageScalarProductFromFiniteMatrixGroup[0X 2.3-115ineqThreshold 4.1-216[2XInfoHAPcryst[0X 1.3-117installation 1.218[2XIsFundamentalDomainBieberbachGroup[0X 4.1-519[2XIsFundamentalDomainStandardSpaceGroup[0X 4.1-420[2XIsSquareMat[0X 2.1-321[2XLinearPartOfAffineMatOnRight[0X 2.2-122[2XOrbitPartAndRepresentativesInFacesStandardSpaceGroup[0X 3.1-523[2XOrbitPartInFacesStandardSpaceGroup[0X 3.1-424[2XOrbitPartInVertexSetsStandardSpaceGroup[0X 3.1-325[2XOrbitStabilizerInUnitCubeOnRight[0X 3.1-126[2XOrbitStabilizerInUnitCubeOnRightOnSets[0X 3.1-227[2XPointGroupRepresentatives[0X 2.4-128[2XPointGroupRepresentatives[0X 2.4-129polymake 1.2-130[2XRelativePositionPointAndPolygon[0X 2.3-531[2XRepresentativeActionOnRightOnSets[0X 3.1-732[2XResolutionBieberbachGroup[0X 4.2-133[2XResolutionFromFLandBoundary[0X 4.2-334[2XShiftedOrbitPart[0X 3.1-935[2XSignRat[0X 2.1-136[2XStabilizerOnSetsStandardSpaceGroup[0X 3.1-637[2XTranslationOnRightFromVector[0X 2.2-338[2XTranslationsToBox[0X 3.1-1139[2XTranslationsToOneCubeAroundCenter[0X 3.1-1040[2XVectorModOne[0X 2.1-241[2XWhichSideOfHyperplane[0X 2.3-442[2XWhichSideOfHyperplaneNC[0X 2.3-4434445-------------------------------------------------------464748