/* www-ATLAS of Group Representations. A9 represented as 8 x 8 matrices over GF(2). */ F:=GF(2); x:=CambridgeMatrix(1,F,8,[ "01000000", "11000000", "00010000", "00110000", "00000100", "00001100", "00000001", "00000011"]); y:=CambridgeMatrix(1,F,8,[ "10000000", "00100000", "00000100", "10100001", "01001100", "00001010", "01010100", "10010001"]); G:=MatrixGroup<8,F|x,y>; print "Group G is A9 < GL(8,GF(2))";