GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#Example: "5gp-PG-i" . . . based on: examples/pga_5gp
#Descendants of C5 x C5
#vars: F, procId;
#options: OutputLevel
F := FreeGroup("a", "b");
procId := PqStart(F : Prime := 5);
#comment: set a different print level by supplying <OutputLevel>
PqPcPresentation(procId : ClassBound := 1,
#sub <OutputLevel> for <1> if set and ok
OutputLevel := 1);;
PqComputePCover(procId);;
PqPGSupplyAutomorphisms(procId, [ [[2,0],
[0,1]],
[[4,1],
[4,0]] ]);;
PqPGConstructDescendants(procId : ClassBound := 2,
StepSize := 2,
RankInitialSegmentSubgroups := 4);;