Recognized as an extremist organization, she wants to improve relations with Russia. What do we know about AfD?

Karol Nawrocki's advisor prof. Andrzej Nowak took part in a gathering organized by the alternate for Germany. This organization was recognized this year as an extremist organization by a German counterintelligence. The group wants to improve relations with Russia, and its crucial politician called the signing of the Ribbentrop-Molotov pact "a politically realistic and right decision". What another ideas do they preach?