"Source: Text/Geometry/ModAbVar.text";
"Line: 4402";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 4402
// Example: H148E71 ()
print "Example: H148E71";
ei := GetEchoInput();
SetEchoInput(true);
J := JZero(33);
E := End(J);
H1 := HeckeAlgebra(J); H1;
H2 := Subgroup([E.1,E.2]); H2;
Dimension(E);
assert $1 eq 5;
Dimension(H1);
assert $1 eq 3;
Dimension(H2);
assert $1 eq 2;
Dimension(H1 meet H2);
assert $1 eq 1;
Dimension(H1 + H2);
assert $1 eq 4;
SetEchoInput(ei);
