"Source: Text/LieTheory/GrpRfl.text";
"Line: 1485";
"Date: Sat Nov  9 18:06:06 2019";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/LieTheory/GrpRfl.text, line: 1485
// Example: H106E17 ()
print "Example: H106E17";
ei := GetEchoInput();
SetEchoInput(true);
R := StandardRootSystem("A", 4);
W := ReflectionGroup(R);
Rank(W);
assert $1 eq 4;
Dimension(W);
assert $1 eq 5;
SetEchoInput(ei);
