Entry details for q = 231 = 23, g = 5
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Lower bound Nmin = 66

Submitted by Everett Howe
Date 01-08-2022
Reference Not available
Comments
A search through the genus-5 double covers of genus-2 curves yielded the following example with 66 points:

y^2 = x^6 - 10*x^4 + 4*x^2 - 6
z^2 = y + x^4 + 5*x^2 - 2
Tags Analysis and enumeration, Explicit curves

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Upper bound Nmax = 69

Submitted by Everett Howe
Date 04-14-2010
Reference Jean-Pierre Serre
Sur le nombre de points rationnels d'une courbe algébrique sur un corps fini
C. R. Acad. Sci. Paris Sér. I Math. 296 (1983), 397–402. (= Œuvres III, No. 128, 658–663).
Comments
The Hasse-Weil-Serre bound
Tags Hasse-Weil-Serre bound

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