Isogeny from Two Curves

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isogenies

Taylor Huang
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Hi, I was wondering given two curves $E_1,E_2$ $\ell$ -isogeneous where $\ell$ is some prime. Do we have anything in Sage that help us compute its itermediate isogeny?

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rburing ( 5 years ago )

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answered 3 years ago

Luca
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E1.isogeny(E2, ell) works if the isogeny between E1 and E2 is a Vélu isogeny, but there is nothing for the general case.

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Asked: 5 years ago

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Last updated: Nov 03 '21

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