Abstract.
We calculate the chance that an elliptic curve over a finite field has a specified number of \(\ell\)-isogenies which emanate from it. We give a partial answer for abelian varieties of arbitrary dimension.
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Received: 20 September 2007
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Achter, J.D., Sadornil, D. On the probability of having rational \(\ell\)-isogenies. Arch. Math. 90, 511–519 (2008). https://doi.org/10.1007/s00013-008-2598-8
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DOI: https://doi.org/10.1007/s00013-008-2598-8