gap> Read("c:/gap/games/skewb/Group.g"); gap> Read("c:/gap/gap3r4p3/lib/abstab.g"); Error, the file 'c:/gap/gap3r4p3/lib/abstab.g' must exist and be readable in Read( "c:/gap/gap3r4p3/lib/abstab.g" ) called from main loop brk> quit; gap> Read("c:/gap/Abstab.g"); The record 'descriptions' contains brief descriptions of the functions in this file. Functions of importance: MakeAbStabChain, FactorPermGroupElement, Shrink gap> cornerswap:=(7,10)(2,25)(18,19); ( 2,25)( 7,10)(18,19) gap> FactorPermGroupElement(G1,cornerswap); Error, Record: element 'stabilizerSubgroup' must have an assigned value at H := H.stabilizerSubgroup ... in FactorPermGroupElement( G1, cornerswap ) called from main loop brk> quit; gap> cornerswap2:=(2,7)(10,25)(18,19); ( 2, 7)(10,25)(18,19) gap> FactorPermGroupElement(G1,cornerswap2); Error, Record: element 'stabilizerSubgroup' must have an assigned value at H := H.stabilizerSubgroup ... in FactorPermGroupElement( G1, cornerswap2 ) called from main loop brk> quit; gap> cornerswap3:=(2,18)(10,7)(19,25); ( 2,18)( 7,10)(19,25) gap> FactorPermGroupElement(G1,cornerswap3); Error, Record: element 'stabilizerSubgroup' must have an assigned value at H := H.stabilizerSubgroup ... in FactorPermGroupElement( G1, cornerswap3 ) called from main loop brk> quit; gap> centerswap1:=(6,16); ( 6,16) gap> FactorPermGroupElement(G1,centerswap1); Error, Record: element 'stabilizerSubgroup' must have an assigned value at H := H.stabilizerSubgroup ... in FactorPermGroupElement( G1, centerswap1 ) called from main loop brk> quit; gap> 2centerswap1:=(6,16)(1,21); ( 1,21)( 6,16) gap> FactorPermGroupElement(G1,2centerswap1); g5*g3^-1*g5*g3^-1*g5^-1*g3*g5^-1*g3^-1*g5*g3^-1*g5*g3*g5^-1*g3*g5^-1*g3^2*g7*g\