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A164972 Theta series of a dual-extremal lattice of dimension 28 and level 2. 0

%I

%S 1,0,0,6720,98280,5370624,19138560,425761920,805208040,11171166720,

%T 14651449344,151720309440,156717687840,1331073596160,1162883174400,

%U 8553148603776,6596666916840,43528633182720,30507984568320

%N Theta series of a dual-extremal lattice of dimension 28 and level 2.

%D R. Bacher, B. Venkov, Réseaux entiers unimodulaires sans racines en dimensions 27 et 28. In Réseaux euclidiens, designs sphériques et formes modulaires, 212--267, Monogr. Enseign. Math., 37, Enseignement Math., Geneva, 2001.

%D S. Boecherer and G. Nebe, On theta series attached to maximal lattices and their adjoints, Preprint 2009.

%H P. Gaborit, <a href="http://dx.doi.org/10.1007/s00013-006-1164-5">A bound for certain s-extremal lattices and codes</a> Archiv der Mathematik 89 (2007) 143-151.

%K nonn

%O 0,4

%A Gabi Nebe (nebe(AT)math.rwth-aachen.de), Sep 03 2009

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Last modified October 16 13:51 EDT 2019. Contains 328093 sequences. (Running on oeis4.)