/* www-ATLAS of Group Representations. 6.A7 represented as 6 x 6 matrices over GF(25). */ F:=GF(25); x:=CambridgeMatrix(3,F,6,\[ 0,1,0,0,0,0, 0,0,1,0,0,0, 1,0,0,0,0,0, 0,0,0,0,0,1, 0,10,5,24,24,11, 12,18,22,14,6,6]); y:=CambridgeMatrix(3,F,6,\[ 5,4,0,0,0,0, 0,0,0,1,0,0, 0,0,0,0,1,0, 18,16,8,13,19,10, 2,10,9,2,6,22, 0,24,16,19,5,7]); G:=MatrixGroup<6,F|x,y>; print "Group G is 6.A7 < GL(6,GF(25))";