/* M22 as 10 x 10 matrices over GF(2). Representation 10a, the `code' representation. Group has orbits 77 + 330 + 616 on nonzero vectors of the module. */ F:=GF(2); x:=CambridgeMatrix(1,F,10,[ "0100000000", "1000000000", "0001000000", "0010000000", "0000001000", "0000000100", "0000100000", "0000010000", "0011101010", "0000000001"]); y:=CambridgeMatrix(1,F,10,[ "0010000000", "0110000000", "0000100000", "0000010000", "1010100000", "0000000010", "0000000001", "0010000100", "1011101001", "1001010001"]); G:=MatrixGroup<10,F|x,y>; a:=x;b:=y;