"Source: Text/Basics/ModFld.text";
"Line: 306";
"Date: Thu Sep 25 14:47:46 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Basics/ModFld.text, line: 306
// Example: H29E4 ()
print "Example: H29E4";
ei := GetEchoInput();
SetEchoInput(true);
R<x> := PolynomialRing(RationalField());
L<w> := NumberField(x^7 - 7*x + 3);
L34 := KMatrixSpace(L, 3, 4);
a := L34 ! [ 1, w, 0, -w, 0, 1+w, 2, -w^3, w-w^3, 2*w, 1/3, 1 ];
a;
SetEchoInput(ei);
