/* www-ATLAS of Group Representations. 2.A6 represented as 10 x 10 matrices over GF(25). */ F:=GF(25); x:=CambridgeMatrix(3,F,10,\[ 0,1,0,0,0,0,0,0,0,0, 4,0,0,0,0,0,0,0,0,0, 0,0,0,1,0,0,0,0,0,0, 0,0,4,0,0,0,0,0,0,0, 0,0,0,0,0,0,1,0,0,0, 0,0,0,0,0,0,0,1,0,0, 0,0,0,0,4,0,0,0,0,0, 0,0,0,0,0,4,0,0,0,0, 10,0,8,5,0,16,21,14,21,16, 7,24,12,12,19,8,20,20,18,9]); y:=CambridgeMatrix(3,F,10,\[ 14,4,0,0,0,0,0,0,0,0, 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, 0,23,2,0,16,0,0,0,0,0, 0,0,0,0,0,0,0,0,1,0, 0,0,0,0,0,0,0,0,0,1, 1,23,4,14,0,4,1,0,0,0, 21,11,15,9,23,22,9,22,22,22, 9,10,23,18,5,11,20,8,7,10]); G:=MatrixGroup<10,F|x,y>; print "Group G is 2.A6 < GL(10,GF(25))";