/* 2"M12 presented on preimages its standard generators. But they are not standard themselves. */ G:=Group; A:=x;B:=y; // Copies of M11 - consistent with the ordering used elsewhere in this ATLAS. M1:=sub; M2:=sub; // Copies of M11 x 2 - consistent with the ordering used elsewhere in this ATLAS. MM1:=sub; MM2:=sub;