/* www-ATLAS of Group Representations. 2S5 represented as 4 x 4 matrices over GF(5). */ F:=GF(5); x:=CambridgeMatrix(1,F,4,[ "4000", "0010", "0100", "4231"]); y:=CambridgeMatrix(1,F,4,[ "0100", "0001", "1200", "2040"]); G:=MatrixGroup<4,F|x,y>; print "Group G is 2S5 < GL(4,GF(5))";