"Source: Text/LieTheory/GrpCox.text";
"Line: 807";
"Date: Wed Nov  6 12:03:34 2019";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/LieTheory/GrpCox.text, line: 807
// Example: H105E10 ()
print "Example: H105E10";
ei := GetEchoInput();
SetEchoInput(true);
W := CoxeterGroup("E6");
degs := BasicDegrees(W);
degs;
&*degs eq #W;
assert $1;
&+degs eq NumPosRoots(W) + Rank(W);
assert $1;
SetEchoInput(ei);
