"Source: Text/Geometry/ModSym.text";
"Line: 1442";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModSym.text, line: 1442
// Example: H145E12 ()
print "Example: H145E12";
ei := GetEchoInput();
SetEchoInput(true);
M := ModularSymbols("37B"); M;
BoundaryMap(M);
A := AmbientSpace(M);
BoundaryMap(A);
Basis(VectorSpace(EisensteinSubspace(A)));
SetEchoInput(ei);
