/* www-ATLAS of Group Representations. L2(8).3 represented as 12 x 12 matrices over GF(2). */ F:=GF(2); x:=CambridgeMatrix(1,F,12,[ "010000000000", "100000000000", "000100000000", "001000000000", "000001000000", "000010000000", "000000001000", "000000000100", "000000100000", "000000010000", "000000000001", "000000000010"]); y:=CambridgeMatrix(1,F,12,[ "001000000000", "011000000000", "101000000000", "000010000000", "000000100000", "000000010000", "000100000000", "011011101100", "000000000010", "110101110010", "101111001001", "100010111010"]); G:=MatrixGroup<12,F|x,y>; print "Group G is L2(8).3 < GL(12,GF(2))";