"Source: Text/Geometry/ModAbVar.text";
"Line: 6486";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 6486
// Example: H148E94 ()
print "Example: H148E94";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(54);
A,B := Explode(Decomposition(NewSubvariety(J)));
ModularDegree(A);
assert $1 eq 6;
CongruenceModulus(A);
assert $1 eq 6;
ModularDegree(B);
assert $1 eq 2;
CongruenceModulus(B);
assert $1 eq 6;
J := JZero(65);
A := J(2); A;
CongruenceModulus(A);
assert $1 eq 4;
ModularDegree(A);
assert $1 eq 4;
phi := NaturalMap(A,Dual(A));
Invariants(Kernel(phi));
SetEchoInput(ei);
