Entry details for q = 171 = 17, g = 9
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Lower bound Nmin = 72

Submitted by Everett Howe
Date 08-12-2025
Reference Motoko Qiu Kawakita
Fibre products of three hyperelliptic curves with many points
preprint
Comments
Explicit curve: y^2 = (x-1)*(x-12)*(x-16), z^2 = (x-4)*(x-12)*(x-16)*(x-3), w^2 = x*(x-4)*(x-15).
Tags Fibre products of hyperelliptic curves, Explicit curves

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Upper bound Nmax = 85

Submitted by Everett Howe
Date 04-14-2010
Reference Yasutaka Ihara
Some remarks on the number of rational points of algebraic curves
J. Fac. Sci. Univ. Tokyo Sect. IA Math. 28 (1981) 721–724 (1982)
Comments
The Ihara bound. Here is a real Weil polynomial that we don't know how to eliminate: (x + 8)^7 * (x^2 + 11*x + 29)
Tags Ihara bound

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