"Source: Text/Geometry/ModAbVar.text";
"Line: 1383";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 1383
// Example: H148E23 ()
print "Example: H148E23";
ei := GetEchoInput();
SetEchoInput(true);
IsIsogenous(JZero(11),JOne(11));
assert $1;
IsIsogenous(JZero(11)*JZero(11),JZero(22));
assert $1;
IsIsogenous(JZero(11)*JZero(11),JZero(33));
assert not $1;
IsIsogenous(JZero(11),JZero(14));
assert not $1;
IsIsogenous(JZero(11)^2,JZero(22));
assert $1;
A := JZero(37)(2); B := JOne(13);
IsIsogenous(A*B*A, A*A*B);
assert $1;
A := JZero(43);
G := RationalCuspidalSubgroup(A);
IsIsogenous(A,A/G);
assert $1;
A := JZero(43);
G := RationalCuspidalSubgroup(A);
B := A/G;
CanDetermineIsomorphism(A,B);
IsIsomorphic(A,B);
assert not $1;
IsIsomorphic(JZero(11),JOne(11));
assert not $1;
IsIsomorphic(JZero(13),JOne(13));
assert not $1;
IsIsomorphic(Js(13),JOne(13));
CanDetermineIsomorphism(Js(17),JOne(17));
SetEchoInput(ei);
