"Source: Text/LieTheory/GrpCox.text";
"Line: 1978";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/LieTheory/GrpCox.text, line: 1978
// Example: H108E24 ()
print "Example: H108E24";
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);
