Given the German Socialist Party was a right wing organisation that tried to incorporate socialist values, which ultimately collapsed as members defected to the Nazi party would indicate just how diametrically opposed a right wing ideology is to socialism. Party members clearly preferred the Nazi ideologies. Socialists were all wiped out from the party by 1938.Here's an award winning historian that specializes in Hitler for you:
Becoming Hitler: The Making of a Nazi
It contains evidence that at the very least Hitler himself wanted to join the proper socialist party, one would imagine he thought there's something there he agrees with ... according to this article: https://www.theguardian.com/world/2...nly-after-another-far-right-group-shunned-him
Hitler was probably attracted to the right wing policies of the party, since he espoused socialism, quite explicitly.