"Source: Text/Geometry/Lseries.text";
"Line: 1479";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/Lseries.text, line: 1479
// Example: H139E20 ()
print "Example: H139E20";
ei := GetEchoInput();
SetEchoInput(true);
L := LSeries(1, [0], 3, [1,-1,0,1,-1,0] : Sign:=-1);
CFENew(L);
L := LSeries(1, [1], 3, [1,-1,0,1,-1,0] : Sign:=-1);
CheckFunctionalEquation(L);
CFENew(L);
L := LSeries(1, [1], 3, [1,-1,0,1,-1,0] : Sign:=1);
CFENew(L);
LCfRequired(L); // approx for old CheckFunctionalEquation
L := LSeries(1, [1], 3, [1,-1,0,1,-1,0,1,-1,0,1] : Sign:=1);
CFENew(L);
L := LSeries(1, [1], 3, func<n|((n+1) mod 3)-1> : Sign:=1);
CFENew(L);
SetEchoInput(ei);
