GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#Example: "2gp-PG-3-i" . . . based on: examples/pga_3-2.com
#All descendants of C2 x C2 x C2
#vars: F, procId;
#options: OutputLevel
F := FreeGroup("a", "b", "c");
procId := PqStart(F : Prime := 2);
#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, [ [[1,1,0],
[0,1,0],
[0,0,1]],
[[0,0,1],
[1,0,0],
[0,1,0]] ]);;
PqPGConstructDescendants(procId : ClassBound := 5,
OrderBound := 7,
BasicAlgorithm);;