"Source: Text/LieTheory/GrpCox.text";
"Line: 247";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/LieTheory/GrpCox.text, line: 247
// Example: H108E2 ()
print "Example: H108E2";
ei := GetEchoInput();
SetEchoInput(true);
M := SymmetricMatrix([ 1, 4,1, 3,4,1 ]);
G<a,b,c> := CoxeterGroup(M);
G;
M := SymmetricMatrix([ 1, 3,1, 2,3,1 ]);
G<a,b,c> := CoxeterGroup(M);
G;
G<a,b,c> := CoxeterGroup(GrpFPCox, M);
G;
C := CartanMatrix("G2");                                                   
W := CoxeterGroup(GrpFPCox, C);
SetEchoInput(ei);
