Atiyah Conjecture and finite groups (Ex)

Suppose that the version of the Atiyah Conjecture stated for torsion-free groups holds for the finite group $G$$<wikitex>; Suppose that the version of the Atiyah Conjecture stated for torsion-free groups holds for the finite group $G$. Show that then $G$ is trivial. </wikitex> [[Category:Exercises]] [[Category:Exercises without solution]]G$. Show that then $G$$G$ is trivial.