The label of a genus 2 curve over $\Q$ has the form $N$.$s$.$D$.$n$, where
- $N$ is the conductor,
- $s$ is a string of letters that distinguishes this isogeny class among those with the same conductor,
- $D$ is the absolute discriminant, and
- $n$ is a positive integer that distinguishes the curve among other curves with the same absolute discriminant in the same isogeny class.
In particular, $N.s$ is the label of the isogeny class of the Jacobian of the curve. The values $s$ and $n$ are assigned as curves are added to the database and carry no intrinsic meaning
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- Review status: reviewed
- Last edited by Andrew Sutherland on 2021-09-18 16:47:03
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- 2021-09-18 16:47:03 by Andrew Sutherland (Reviewed)
- 2019-05-03 18:19:44 by Andrew Sutherland (Reviewed)
- 2019-05-03 17:30:02 by Jennifer Paulhus
- 2019-05-02 15:50:17 by Andrew Sutherland (Reviewed)
- 2019-05-02 13:51:28 by Jennifer Paulhus
- 2018-05-24 16:25:23 by John Cremona (Reviewed)