A finite nontrivial group not isomorphic to \(\text{Aut}(\mathcal D)\) Blog › A finite nontrivial group not isomorphic to \(\text{Aut}(\mathcal D)\) 2 Vote Up Vote Down Bjørn Kjos-Hanssen Admin asked 9 months ago / Blog What’s an example of a finite nontrivial group that you can prove is not isomorphic to the automorphism group of the Turing degrees?