/* www-ATLAS of Group Representations. 3.A7 represented as 6 x 6 matrices over GF(25). */ F:=GF(25); x:=CambridgeMatrix(3,F,6,\[ 0,1,0,0,0,0, 0,0,0,1,0,0, 0,0,0,0,0,1, 1,0,0,0,0,0, 0,0,18,0,0,0, 0,0,0,0,11,0]); y:=CambridgeMatrix(3,F,6,\[ 0,0,1,0,0,0, 0,0,0,0,1,0, 13,5,15,21,7,21, 12,18,8,4,16,3, 6,10,18,23,6,11, 8,23,13,10,14,6]); G:=MatrixGroup<6,F|x,y>; print "Group G is 3.A7 < GL(6,GF(25))";