"Source: Text/LieTheory/GrpRfl.text";
"Line: 1581";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/LieTheory/GrpRfl.text, line: 1581
// Example: H109E19 ()
print "Example: H109E19";
ei := GetEchoInput();
SetEchoInput(true);
W := ReflectionGroup("A4");
LongestElement(W);
CoxeterElement(W);
SetEchoInput(ei);
