"Source: Text/Geometry/ModAbVar.text";
"Line: 2071";
"Date: Fri Sep  9 15:10:23 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/ModAbVar.text, line: 2071
// Example: H145E37 ()
print "Example: H145E37";
ei := GetEchoInput();
SetEchoInput(true);
A := JOne(13);
BaseExtend(A,CyclotomicField(7));
BaseExtend(A,AlgebraicClosure(RationalField()));
BaseExtend(A,RealField());
BaseExtend(A,ComplexField());
ChangeRing(A,GF(3));
#ChangeRing(A,GF(3));
B := ChangeRing(A,GF(13)); B;
IsAbelianVariety(B);
assert not $1;
ChangeRing(A,Integers());
ChangeRing(A,PolynomialRing(RationalField(),10));
SetEchoInput(ei);
