/*
www-ATLAS of Group Representations.
2.S4(9) represented as 4 x 4 matrices over GF(9).
*/

F<w>:=GF(9);

x:=CambridgeMatrix(1,F,4,[
"2428",
"0202",
"2818",
"0201"]);

y:=CambridgeMatrix(1,F,4,[
"4737",
"5411",
"4056",
"4250"]);

G<x,y>:=MatrixGroup<4,F|x,y>;
print "Group G is 2.S4(9) < GL(4,GF(9))";