Contains PH [Tod89]. Indeed, contains MP, which in turn contains ModPH [GKR+95].
The class of decision problems such that for some #P function f, the answer on input x is 'yes' if and only if the middle bit of f(x) is 1.
Defined in [GKR+95].
Contains AmpMP, and ModPH, which is low for both AmpMP and MP. Contained in P#P[1].
MP with ModP oracle equals MP with #P oracle [KT96].