Isogeny from Two Curves
Hi, I was wondering given two curves E1,E2 ℓ-isogeneous where ℓ is some prime. Do we have anything in Sage that help us compute its itermediate isogeny?
Hi, I was wondering given two curves E1,E2 ℓ-isogeneous where ℓ is some prime. Do we have anything in Sage that help us compute its itermediate isogeny?
E1.isogeny(E2, ell)
works if the isogeny between E1 and E2 is a Vélu isogeny, but there is nothing for the general case.
Asked: 5 years ago
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Last updated: Nov 03 '21
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