"Source: Text/Geometry/ModAbVar.text";
"Line: 3348";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 3348
// Example: H148E60 ()
print "Example: H148E60";
ei := GetEchoInput();
SetEchoInput(true);
phi := HeckeOperator(JZero(23),2); phi;
Eltseq(phi);
IntegralMatrix(phi);
Parent($1);
IntegralMatrixOverQ(phi);
Parent($1);
Matrix(phi);
Ncols(phi);
assert $1 eq 4;
Nrows(phi);
assert $1 eq 4;
RealMatrix(phi);
Parent($1);
Rows(phi);
SetEchoInput(ei);
