Entry details for q = 21 = 2, g = 13
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Lower bound Nmin = 15

Submitted by Gerrit Oomens
Date 01-01-1900
Reference Jean-Pierre Serre
Letter to G. van der Geer
September 1, 1997.
Comments
Tags Methods from general class field theory

User comments

Explicit Curve     
S.E.Fischer
12-19-2014 23:31
We can assume such a curve C as an extension E of degree 2 of a curve F of genus 4 as follows:
F := y^4 + (x+1)*y^2 + (x^3+x)*y +x^7+x^3 ;
E/F := z^2 + z + x*y .
Defining equation     
Isabel Pirsic
06-18-2012 13:02
y^8 +
(x^3 + x^2 + 1)*y^4 +
(x^6 + x^4 + x^3 + x^2)*y^2 +
(x^6 + x^4)*y +
x^11 + x^7
Upper bound Nmax = 15

Submitted by Gerrit Oomens
Date 01-01-1900
Reference Jean-Pierre Serre
Letter to G. van der Geer
September 1, 1997.
Comments
Tags None

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