"Source: Text/Geometry/RieSrf.text";
"Line: 176";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/RieSrf.text, line: 176
// Example: H127E3 ()
print "Example: H127E3";
ei := GetEchoInput();
SetEchoInput(true);
Qt<t> := PolynomialRing(Rationals());
K<s> := NumberField(t^2 + 1);
Kxy<x,y> := PolynomialRing(K,2);
f := -s^2*x^7 + 2*s*x^3*y + y^3;
sigma := InfinitePlaces(K)[1];
sigma;
X := RiemannSurface(f,sigma : Precision:=100);
X;
SetEchoInput(ei);
