/* www-ATLAS of Group Representations. 2A5 represented as 8 x 8 matrices over GF(2). */ F:=GF(2); x:=CambridgeMatrix(1,F,8,[ "10000000", "00100000", "01000000", "11110000", "00111000", "00000010", "01000100", "11001111"]); y:=CambridgeMatrix(1,F,8,[ "01000000", "00010000", "00100000", "10000000", "00000100", "00000001", "00000010", "00001000"]); G:=MatrixGroup<8,F|x,y>; print "Group G is 2A5 < GL(8,GF(2))";