"Source: Text/LieTheory/RootSys.text";
"Line: 405";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/LieTheory/RootSys.text, line: 405
// Example: H106E2 ()
print "Example: H106E2";
ei := GetEchoInput();
SetEchoInput(true);
M := SymmetricMatrix([1, 3,1, 2,3,1]);
RootSystem(M);
M := SymmetricMatrix([1, 3,1, 3,3,1]);
SetEchoInput(ei);
