No Giant Primordial Central Black Holes in Large Galaxies, only white holes and small BHs.

According to Quantum FFF Theory, the primordial dual Giant Black Holes able to form galaxies two by two, tend to  crawl outside the Galaxy, able to form globular clusters or dwarf galaxies.

small x-ray sources or BHs in M31 nucleus.

Dual small BHs at both sides of the sun.

 Dual BHs at both sides of merged galaxies and even Comets like 67P CG.