"Source: Text/RepThy/ModAlg.text";
"Line: 1660";
"Date: Tue May 30 11:26:03 2023";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/RepThy/ModAlg.text, line: 1660
// Example: H97E13 ()
print "Example: H97E13";
ei := GetEchoInput();
SetEchoInput(true);
DualModule := function(M)
      G := Group(M);
      f := Representation(M);
      return GModule(G, [ Transpose(f(G.i))^-1 : i in [1 .. Ngens(G)] ]);
end function;
SetEchoInput(ei);
