"Source: Text/Geometry/ModAbVar.text";
"Line: 5351";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 5351
// Example: H148E81 ()
print "Example: H148E81";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(431);
IsPrime(431);
assert $1;
A := Decomposition(J)[1];
B := Decomposition(J)[2];
G, C := A meet B;
G;
C;
Newform(A) - Newform(B);
SetEchoInput(ei);
