"Source: Text/Ring/FldQuad.text";
"Line: 141";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Ring/FldQuad.text, line: 141
// Example: H37E1 ()
print "Example: H37E1";
ei := GetEchoInput();
SetEchoInput(true);
Q<z> := QuadraticField(5);         
Q eq QuadraticField(45);    
assert $1;
O<w> := sub< MaximalOrder(Q) | 7 >;
O;
w;
Q ! w;                    
Eltseq(w), Eltseq(Q ! w);
( (7/2)+(7/2)*z )^2;
 Q ! w^2;
w^2;
SetEchoInput(ei);
