/* www-ATLAS of Group Representations. 2A5 represented as 5 x 5 matrices over GF(4). */ F:=GF(4); x:=CambridgeMatrix(1,F,5,[ "10000", "31000", "10100", "02010", "32131"]); y:=CambridgeMatrix(1,F,5,[ "01000", "11000", "00100", "00001", "00011"]); G:=MatrixGroup<5,F|x,y>; print "Group G is 2A5 < GL(5,GF(4))";