/* www-ATLAS of Group Representations. 2.L2(13).2 represented as 12 x 12 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,12,[ "000000012120", "000000220222", "000000002020", "000000011010", "000000001002", "000000111022", "111020000000", "002200000000", "221122000000", "202100000000", "110211000000", "221102000000"]); y:=CambridgeMatrix(1,F,12,[ "000000222022", "000000020210", "000000102221", "000000100110", "000000010001", "000000022220", "022002000000", "201121000000", "202200000000", "221010000000", "202111000000", "111110000000"]); G:=MatrixGroup<12,F|x,y>; print "Group G is 2.L2(13).2 < GL(12,GF(3))";