"Source: Text/Geometry/ModSS.text";
"Line: 523";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModSS.text, line: 523
// Example: H147E5 ()
print "Example: H147E5";
ei := GetEchoInput();
SetEchoInput(true);
M := SupersingularModule(3,11);
B := BrandtModule(M); B;
MS := ModularSymbols(M); MS;
Factorization(CharacteristicPolynomial(HeckeOperator(B, 2)));
Factorization(CharacteristicPolynomial(HeckeOperator(MS, 2)));
M := SupersingularModule(11);
UsesMestre(M);
assert $1;
B := BrandtModule(M); B;   // takes a while
SetEchoInput(ei);
