/* www-ATLAS of Group Representations. 2.M12.2 represented as 10 x 10 matrices over GF(25). */ F:=GF(25); x:=CambridgeMatrix(3,F,10,\[ 0,4,0,0,0,0,0,0,0,0, 4,0,0,0,0,0,0,0,0,0, 0,0,0,4,0,0,0,0,0,0, 0,0,4,0,0,0,0,0,0,0, 0,0,0,0,0,4,0,0,0,0, 0,0,0,0,4,0,0,0,0,0, 0,0,0,0,0,0,0,0,4,0, 0,0,0,0,0,0,0,0,0,4, 0,0,0,0,0,0,4,0,0,0, 0,0,0,0,0,0,0,4,0,0]); y:=CambridgeMatrix(3,F,10,\[ 0,0,1,0,0,0,0,0,0,0, 16,4,4,0,0,0,0,0,0,0, 19,15,1,0,0,0,0,0,0,0, 0,0,0,0,1,0,0,0,0,0, 0,0,0,0,0,0,1,0,0,0, 0,0,0,0,0,0,0,1,0,0, 0,0,0,1,0,0,0,0,0,0, 8,8,0,19,6,2,5,24,13,1, 8,9,16,21,2,0,7,17,10,6, 9,16,19,11,9,13,10,15,12,22]); G:=MatrixGroup<10,F|x,y>; print "Group G is 2.M12.2 < GL(10,GF(25))";