GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#Example: "11gp-SP-a-i" . . . based on: isom/11gp_a.com
#vars: F, a, b, R, procId;
#options: OutputLevel, ClassBound, StandardPresentationFile
F := FreeGroup("a", "b"); a := F.1; b := F.2;
R := [a^11, b^11/PqLeftNormComm([b, a, a])^2,
PqLeftNormComm([b, a, b, b, b, b])];;
procId := PqStart(F/R : Prime := 11);
#comment: set a different print level by supplying <OutputLevel>
#sub <OutputLevel> for <0> if set and ok
PqSetOutputLevel(procId, 0);;
PqSPComputePcpAndPCover(procId : ClassBound := 3);;
#comment: set a different `ClassBound' by supplying <ClassBound>
#comment: also save the presentation to a file by supplying <StandardPresentationFile>
PqSPStandardPresentation(procId, [ [[1,0,0,0,1],
[0,1,0,0,0]],
[[1,0,0,0,0],
[0,1,0,1,0]],
[[1,0,0,0,0],
[0,1,0,0,1]],
[[1,0,0,0,0],
[3,1,0,0,0]],
[[1,0,0,0,0],
[9,3,0,0,0]],
[[1,0,0,0,0],
[6,6,0,0,0]],
[[10,0,0,0,0],
[2,1,0,0,0]] ]
: # options
#add <StandardPresentationFile> for <value> if set and ok
# StandardPresentationFile := value,
#sub <ClassBound> for <19> if set
ClassBound := 19,
PcgsAutomorphisms);;