/* www-ATLAS of Group Representations. U3(4):4 represented as 12 x 12 matrices over GF(2). */ F:=GF(2); x:=CambridgeMatrix(1,F,12,[ "010000000000", "100000000000", "000100000000", "001000000000", "000000100000", "000000010000", "000010000000", "000001000000", "001100001000", "000011110100", "001100000010", "111111110001"]); y:=CambridgeMatrix(1,F,12,[ "001000000000", "011000000000", "000010000000", "000001000000", "101010000000", "000000001000", "000000000100", "100000110000", "000000000010", "000000000001", "000100000000", "000000100101"]); G:=MatrixGroup<12,F|x,y>; print "Group G is U3(4):4 < GL(12,GF(2))";