Entry details for q = 231 = 23, g = 3
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Lower bound Nmin = 48

Submitted by C. Ritzenthaler
Date 05-26-2009
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
This number of points is reached by the curve C : x^4+y^4+z^4-5*(x^2*y^2+x^2*z^2+y^2*z^2)=0. Its Weil polynomial is (X^2+8*X+23)^3. Its automorphism group is S_4.
Tags Explicit curves

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Upper bound Nmax = 48

Submitted by Everett Howe
Date 06-11-2010
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
This upper bound is worked out on pages Se 68–69 of Serre's Harvard notes.
Tags None

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