"Source: Text/Geometry/ModAbVar.text";
"Line: 2843";
"Date: Fri Sep  9 15:10:23 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/ModAbVar.text, line: 2843
// Example: H145E53 ()
print "Example: H145E53";
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);
