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Jun 27, 2023 at 7:54 answer added LeechLattice timeline score: 1
Jun 24, 2023 at 23:22 comment added user145752 @WillSawin Thank you very much. Your example completely works.
Jun 24, 2023 at 23:21 comment added user145752 Oh I see. The "proof" in my mind only workes when q=p....
Jun 24, 2023 at 23:17 comment added Will Sawin I think there is such an elliptic curve (maybe you are implicitly assuming $q$ is a prime in your proof?): Take a supersingular elliptic curve over $\mathbb F_p$ for $p>3$ and base change to $\mathbb F_{p^4}$.
Jun 24, 2023 at 23:13 history edited LSpice CC BY-SA 4.0
Capitalise title; 'solutions' -> 'Roots'
Jun 24, 2023 at 22:59 history asked user145752 CC BY-SA 4.0