GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#Example: "2gp-PG-i" . . . based on: examples/pga_2gp
#All descendants of C2 x C2 up to order 2^8
#vars: F, procId;
#options: OutputLevel
F := FreeGroup("a", "b");
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, [ [[0,1],
[1,1]],
[[0,1],
[1,0]] ]);;
PqPGConstructDescendants(procId : ClassBound := 7,
OrderBound := 8,
PcgsAutomorphisms,
BasicAlgorithm);;