"Source: Text/Geometry/ModAbVar.text";
"Line: 2843";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 2843
// Example: H148E53 ()
print "Example: H148E53";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(65);
R<x> := PolynomialRing(RationalField());
T2 := HeckeOperator(J,2);
Factorization(CharacteristicPolynomial(T2));
phi := Evaluate(x^2-3,T2);
_,A := Kernel(phi);
A;
SetEchoInput(ei);
