"Source: Text/Geometry/ModAbVar.text";
"Line: 3685";
"Date: Fri Sep  9 15:10:23 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/ModAbVar.text, line: 3685
// Example: H145E62 ()
print "Example: H145E62";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(66);
phi := HeckeOperator(J,2);
R<x> := PolynomialRing(RationalField());
CharacteristicPolynomial(phi);
CharacteristicPolynomial(Matrix(phi));
FactoredCharacteristicPolynomial(phi);
MinimalPolynomial(phi);
Factorization(MinimalPolynomial(phi));
SetEchoInput(ei);
