/* www-ATLAS of Group Representations. L2(13).2 represented as 3 x 3 matrices over GF(13). */ F:=GF(13); x:=CambridgeMatrix(3,F,3,\[ 12,0,0, 0,0,1, 0,1,0]); y:=CambridgeMatrix(3,F,3,\[ 0,1,0, 12,0,0, 3,3,1]); G:=MatrixGroup<3,F|x,y>; print "Group G is L2(13).2 < GL(3,GF(13))";