"Source: Text/LieTheory/GrpCox.text";
"Line: 1981";
"Date: Wed Nov  6 12:03:34 2019";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/LieTheory/GrpCox.text, line: 1981
// Example: H105E24 ()
print "Example: H105E24";
ei := GetEchoInput();
SetEchoInput(true);
W := CoxeterGroup("A4");
P := StandardParabolicSubgroup(W, {1,2});
Overgroup(P) eq W;
assert $1;
L, h := LocalCoxeterGroup(P);
hinv := Inverse(h);
L.1;   
h(L.1);
hinv(h(L.1));
SetEchoInput(ei);
