Skip to main content
1 of 2
Harry
  • 1.2k
  • 8
  • 17

Is every simple abelian variety covered by a non-simple abelian variety

Let $A/k$ be a simple abelian variety.

Does there exist a non-simple abelian variety $B/k$ and a finite homomorphism $f:B\to A$ over $k$?

I don't need $f:B\to A$ to be etale.

Harry
  • 1.2k
  • 8
  • 17