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Computing binary curves of genus five
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Abstract
Genus 5 curves can be hyperelliptic, trigonal, or non-hyperelliptic non-trigonal, whose model is a complete intersection of three quadrics in $\mathbb{P}^4$. We present and explain algorithms we used to determine, up to isomorphism over $\mathbb{F}_2$, all genus 5 curves defined over $\mathbb{F}_2$, and we do that separately for each of the three mentioned types. We consider these curves in terms of isogeny classes over $\mathbb{F}_2$ of their Jacobians or their Newton polygons, and for each of the three types, we compute the number of curves over $\mathbb{F}_2$ weighted by the size of their $\mathbb{F}_2$-automorphism groups.
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Publication details
- DOI
- 10.48550/arxiv.2202.07809
- OpenAlex
- W4226151558
- Document type
- preprint
- Language
- EN
- Source
- arXiv (Cornell University)
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