/* www-ATLAS of Group Representations. A12 represented as 16 x 16 matrices over GF(4). */ F:=GF(4); x:=CambridgeMatrix(1,F,16,[ "0100000000000000", "1100000000000000", "0000100000000000", "0000001000000000", "0010100000000000", "0000000001000000", "0001001000000000", "0000000000001000", "0000000000000010", "0000010001000000", "2123130011220001", "3103001030030010", "0000000100001000", "0230212033030200", "0000000010000010", "1203031021000033"]); y:=CambridgeMatrix(1,F,16,[ "1000000000000000", "0010000000000000", "0001000000000000", "0000010000000000", "0000000100000000", "0000000010000000", "0000000000100000", "0000000000010000", "0000000000000100", "2110332101122210", "0000000000000001", "2123131210001000", "2231133330123300", "2110232310022200", "3211121131320110", "3012033011113003"]); G:=MatrixGroup<16,F|x,y>; print "Group G is A12 < GL(16,GF(4))";