Entry details for q = 31 = 3, g = 28
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Lower bound Nmin = 37

Submitted by Gerrit Oomens
Date 01-01-1900
Reference H. Niederreiter, C. P. Xing
Global function fields fields with many rational points over the ternary field
Acta Arithm. 83 (1998), p. 65-86.
Comments
Tags Towers of curves with many points

User comments

Defining equation     
Isabel Pirsic
06-08-2012 17:26
y^18 +
(x^6 + x^4 + x^2 + 1)*y^12 +
(2*x^6 + 2*x^4 + 2*x^2)*y^10 +
(x^12 + x^9 + x^8 + 2*x^7 + x^6 + 2*x^5 + x^4)*y^9 +
(x^12 + 2*x^10 + x^6 + 2*x^2 + 1)*y^6 +
(x^12 + 2*x^10 + 2*x^4 + x^2)*y^4 +
(2*x^18 + 2*x^16 + 2*x^15 + x^14 + x^11 + x^9 + 2*x^7 + x^6 + x^5 + 2*x^4)*y^3 +
(x^12 + 2*x^10 + 2*x^6 + x^4)*y^2 +
(x^18 + x^16 + x^15 + 2*x^14 + 2*x^12 + 2*x^11 + x^9 + 2*x^8 +
2*x^7 + x^6)*y +
2*x^27 + 2*x^22 + x^19 + 2*x^17 + x^13 + 2*x^10 + x^9 + x^8

(reference as above, calculated with Magma)
Upper bound Nmax = 43

Submitted by Everett Howe
Date 04-14-2010
Reference Jean-Pierre Serre
Rational points on curves over finite fields. With contributions by Everett Howe, Joseph Oesterlé and Christophe Ritzenthaler. Edited by Alp Bassa, Elisa Lorenzo García, Christophe Ritzenthaler and René Schoof
Documents Mathématiques 18, Société Mathématique de France, Paris, 2020
Comments
The Oesterlé bound
Tags Oesterlé bound

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