/*
www-ATLAS of Group Representations.
2.A7 represented as 4 x 4 matrices over GF(7).
*/

F:=GF(7);

x:=CambridgeMatrix(1,F,4,[
"0100",
"6600",
"0001",
"0066"]);

y:=CambridgeMatrix(1,F,4,[
"0010",
"0660",
"6411",
"0636"]);

G<x,y>:=MatrixGroup<4,F|x,y>;
print "Group G is 2.A7 < GL(4,GF(7))";