/* www-ATLAS of Group Representations. 2.J2.2 represented as 6 x 6 matrices over GF(25). */ F:=GF(25); x:=CambridgeMatrix(3,F,6,\[ 14,16,16,0,16,23, 7,7,7,16,23,0, 16,23,23,23,16,0, 0,7,16,14,7,14, 7,23,14,16,16,0, 14,16,14,0,7,16]); y:=CambridgeMatrix(3,F,6,\[ 4,4,1,0,1,0, 0,3,1,3,2,1, 4,4,0,3,0,2, 3,4,0,3,2,1, 1,4,0,4,4,0, 3,2,4,4,0,2]); G:=MatrixGroup<6,F|x,y>; print "Group G is 2.J2.2 < GL(6,GF(25))";