"Source: Text/LieTheory/RootSys.text";
"Line: 665";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/LieTheory/RootSys.text, line: 665
// Example: H106E7 ()
print "Example: H106E7";
ei := GetEchoInput();
SetEchoInput(true);
R := RootSystem("I2(7)");
BaseField(R);
Rank(R) eq Dimension(R);
assert $1;
CoxeterGroupOrder(R);
assert $1 eq 14;
SetEchoInput(ei);
