GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#Example: "2gp-SP-d-Rel-i" . . . based on: isom/red1.com #vars: F, rels, procId; #options: OutputLevel, ClassBound, StandardPresentationFile F := FreeGroup("a", "b", "c", "d"); rels := ["b^4", "b^2 * [b, a, a]^-1", "d^16", "a^16 * (c * d)^-1", "b^8 * (d * c^4)^-1", "b * (a^2 * b^-1 * a^2)^-1"]; procId := PqStart(F : Prime := 2, Relators := rels); #comment: set a different print level by supplying <OutputLevel> #add <OutputLevel> for <value> if set and ok #PqSetOutputLevel(procId, value);; PqSPComputePcpAndPCover(procId : ClassBound := 1);; #comment: set a different `ClassBound' by supplying <ClassBound> #comment: also save the presentation to a file by supplying <StandardPresentationFile> PqSPStandardPresentation(procId, [ [[0,1], [1,1]], [[0,1], [1,0]] ] : # options #add <StandardPresentationFile> for <value> if set and ok # StandardPresentationFile := value, #sub <ClassBound> for <10> if set ClassBound := 10, PcgsAutomorphisms);;