"Source: Text/LieTheory/GrpRfl.text";
"Line: 1542";
"Date: Sat Nov  9 18:06:06 2019";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/LieTheory/GrpRfl.text, line: 1542
// Example: H106E18 ()
print "Example: H106E18";
ei := GetEchoInput();
SetEchoInput(true);
W := ReflectionGroup("E6");
degs := BasicDegrees(W);
degs;
&*degs eq #W;
assert $1;
&+degs eq NumPosRoots(W) + Rank(W);
assert $1;
SetEchoInput(ei);
