Entry details for q = 22 = 4, g = 23
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Lower bound Nmin = 46

Submitted by Everett Howe
Date 04-14-2026
Reference Pietro Mercuri, Oana Padurariu, Frederick Saia, and Claudio Stirpe
Point counts, automorphisms, and gonalities of Shimura curves
arXiv:2507.15992 [math.NT]
Comments
Quotient of the Shimura curve X_0^39(31) by the Atkin-Lehner involution w_1209.
Tags Shimura curves, Quotients of curves with many points

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Upper bound Nmax = 50

Submitted by Gerrit Oomens
Date 01-01-1900
Reference Roland Auer
Curves over finite fields with many rational points obtained by ray class fields extensions
pp. 127–134 in: Algorithmic Number Theory (Leiden, 2000), W. Bosma (ed.), Lecture Notes in Computer Science 1838, Springer-Verlag, Berlin, 2000
Comments
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