gap> U:=( 1, 3, 8, 6)( 2, 5, 7, 4)( 9,33,25,17)(10,34,26,18)(11,35,27,19); ( 1, 3, 8, 6)( 2, 5, 7, 4)( 9,33,25,17)(10,34,26,18)(11,35,27,19) gap> L:=( 9,11,16,14)(10,13,15,12)( 1,17,41,40)( 4,20,44,37)( 6,22,46,35); ( 1,17,41,40)( 4,20,44,37)( 6,22,46,35)( 9,11,16,14)(10,13,15,12) gap> F:= (17,19,24,22)(18,21,23,20)( 6,25,43,16)( 7,28,42,13)( 8,30,41,11); ( 6,25,43,16)( 7,28,42,13)( 8,30,41,11)(17,19,24,22)(18,21,23,20) gap> R:=(25,27,32,30)(26,29,31,28)( 3,38,43,19)( 5,36,45,21)( 8,33,48,24); ( 3,38,43,19)( 5,36,45,21)( 8,33,48,24)(25,27,32,30)(26,29,31,28) gap> B:=(33,35,40,38)(34,37,39,36)( 3, 9,46,32)( 2,12,47,29)( 1,14,48,27); ( 1,14,48,27)( 2,12,47,29)( 3, 9,46,32)(33,35,40,38)(34,37,39,36) gap> D:=(41,43,48,46)(42,45,47,44)(14,22,30,38)(15,23,31,39)(16,24,32,40); (14,22,30,38)(15,23,31,39)(16,24,32,40)(41,43,48,46)(42,45,47,44) gap> gap> square_group := Group(U^2,L^2,F^2,R^2,B^2,D^2);; gap> g1:=(3,6,24)(27,11,43)(33,17,30); ( 3, 6,24)(11,43,27)(17,30,33) gap> gap> g2:=FactorPermGroupElement(square_group,g1); Error, Variable: 'FactorPermGroupElement' must have a value gap> Read("d:/gap/gap3r4p3/lib/abstab.g"); The record 'descriptions' contains brief descriptions of the functions in this file. Functions of importance: MakeAbStabChain, FactorPermGroupElement, Shrink gap> g2:=FactorPermGroupElement(square_group,g1); Error, Record: element 'stabilizerSubgroup' must have an assigned value at H := H.stabilizerSubgroup ... in FactorPermGroupElement( square_group, g1 ) called from main loop brk> quit; gap> g1 in square_group; false gap> uu:=(1,3)(2,4);ff:=(1,8)(4,5);dd:=(5,7)(6,8);bb:=(3,6)(2,7);rr:=(2,5)(1,6); (1,3)(2,4) (1,8)(4,5) (5,7)(6,8) (2,7)(3,6) (1,6)(2,5) gap> H:=Group(uu,ff,rr,dd,bb); Group( (1,3)(2,4), (1,8)(4,5), (1,6)(2,5), (5,7)(6,8), (2,7)(3,6) ) gap> (1,3,8) in H; false gap> (1,3)(2,4) in H; true gap> (1,3,8)(2,4,7) in H; true gap> Size(H); 96 gap> (1,3,8)(2,4,5) in H; false gap> (1,3,8)(2,7,4) in H; false gap> (1,3,8)(5,4,7) in H; false gap> (1,3,8)(2,5,4) in H; true gap> (1,3,8)(2,5,4)(1,3,8)^(-1)(2,4,5); Error, Perm: cycles must be disjoint Syntax error: ; expected (1,3,8)(2,5,4)(1,3,8)^(-1)(2,4,5); ^ gap> (1,3,8)(2,5,4)(1,3,8)^{-1}(2,4,5); Error, Perm: cycles must be disjoint Syntax error: expression expected (1,3,8)(2,5,4)(1,3,8)^{-1}(2,4,5); ^ gap> (1,3,8)(2,5,4)(1,3,8)^-1(2,4,5); Error, Perm: cycles must be disjoint Syntax error: ; expected (1,3,8)(2,5,4)(1,3,8)^-1(2,4,5); ^ gap> (1,3,8)*(2,5,4)*(1,3,8)^-1*(2,4,5); () gap> ll:=(4,7)(3,8); (3,8)(4,7) gap> HH:=Group(uu,ff,rr,dd,bb,ll); Group( (1,3)(2,4), (1,8)(4,5), (1,6)(2,5), (5,7)(6,8), (2,7)(3,6), (3,8) (4,7) ) gap> Size(HH); 96 gap> (1,3)(4,5) in HH; false gap> (1,3)(4,2) in HH; true gap> (1,3)(4,7) in HH; false gap> (1,3)(2,4) in HH; true gap> (1,3)(4,6) in HH; false gap> (1,3)(5,7) in HH; true gap> (1,3)(5,2) in HH; false gap> (1,3)(5,4) in HH; false gap> (5,2) in HH; false gap> quit;