/*
www-ATLAS of Group Representations.
2.A7 represented as 4 x 4 matrices over GF(9).
*/

F<w>:=GF(9);

x:=CambridgeMatrix(1,F,4,[
"0100",
"2200",
"0001",
"0022"]);

y:=CambridgeMatrix(1,F,4,[
"0010",
"0220",
"2311",
"0252"]);

G<x,y>:=MatrixGroup<4,F|x,y>;
print "Group G is 2.A7 < GL(4,GF(9))";