"Source: Text/Geometry/ModAbVar.text";
"Line: 1651";
"Date: Fri Sep  9 15:10:23 2022";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/ModAbVar.text, line: 1651
// Example: H145E31 ()
print "Example: H145E31";
ei := GetEchoInput();
SetEchoInput(true);
A := JZero(37)(1);
x := A![1/2,1];
B := A/Subgroup([x]);
e := ModularEmbedding(B);
e;
IsInjective(e);
assert not $1;
pi := ModularParameterization(B);
IsSurjective(pi);
assert $1;
ComponentGroupOfKernel(pi);
IsOptimal(pi);
assert not $1;
SetEchoInput(ei);
