GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## #W ReprActT.gi FGA package Christian Sievers ## ## Trivial cases for RepresentativeAction ## ## This is generally applicable and not needed for the FGA package, ## so maybe it should move to the GAP library. ## #Y 2003 - 2012 ## InstallOtherMethod( RepresentativeActionOp, "trivial general cases", IsCollsElmsElmsX, [ IsGroup, IsObject, IsObject, IsFunction ], function( G, d, e, act) local result; if act=OnRight then result := LeftQuotient( d, e ); elif act=OnLeftInverse then result := d / e; else TryNextMethod(); fi; if result in G then return result; else return fail; fi; end ); ############################################################################# ## #E