"Source: Text/Geometry/CrvEll.text";
"Line: 669";
"Date: Wed Sep 19 23:00:01 2018";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/CrvEll.text, line: 669
// Example: H131E7 ()
print "Example: H131E7";
ei := GetEchoInput();
SetEchoInput(true);
E1 := EllipticCurve([GF(13) | 3, 1]);
E5 := QuadraticTwist(E1, 5);
E5;
S := QuadraticTwists(E1);
S;
[ IsIsomorphic(E1, E) : E in S ];
[ IsIsomorphic(E5, E) : E in S ];
SetEchoInput(ei);
