/* www-ATLAS of Group Representations. L2(13) represented as 12 x 12 matrices over GF(7). */ F:=GF(7); x:=CambridgeMatrix(1,F,12,[ "010000000000", "100000000000", "000100000000", "001000000000", "000001000000", "000010000000", "000000001000", "000000000100", "000000100000", "000000010000", "000000000001", "000000000010"]); y:=CambridgeMatrix(1,F,12,[ "160000000000", "001000000000", "066000000000", "000010000000", "000000100000", "000000010000", "000100000000", "100100000100", "000000000010", "610061000000", "114466666666", "000160000001"]); G:=MatrixGroup<12,F|x,y>; print "Group G is L2(13) < GL(12,GF(7))";