"Source: Text/Geometry/ModAbVar.text";
"Line: 1321";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/ModAbVar.text, line: 1321
// Example: H148E20 ()
print "Example: H148E20";
ei := GetEchoInput();
SetEchoInput(true);
A := JZero(11);
A11 := ChangeRing(A,GF(11));
IsAbelianVariety(A11);
assert not $1;
AZ := ChangeRing(A,Integers());
IsAbelianVariety(AZ);
assert not $1;
A3 := ChangeRing(A,pAdicRing(3));
IsAbelianVariety(A3);
assert $1;
SetEchoInput(ei);
