/* www-ATLAS of Group Representations. 2S5i represented as 4 x 4 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,4,[ "0100", "2000", "0001", "0020"]); y:=CambridgeMatrix(1,F,4,[ "0010", "0220", "1102", "0011"]); G:=MatrixGroup<4,F|x,y>; print "Group G is 2S5i < GL(4,GF(3))";