|
Search: id:A164972
|
|
|
| A164972 |
|
Theta series of a dual-extremal lattice of dimension 28 and level 2 |
|
+0
1
|
|
| 1, 0, 0, 6720, 98280, 5370624, 19138560, 425761920, 805208040, 11171166720, 14651449344, 151720309440, 156717687840, 1331073596160, 1162883174400, 8553148603776, 6596666916840, 43528633182720, 30507984568320
(list; graph; listen)
|
|
|
OFFSET
|
0,4
|
|
|
REFERENCES
|
R. Bacher, B. Venkov, R\'eseaux entiers unimodulaires sans racines en dimensions 27 et 28. in R\'eseaux euclidiens, designs sph\'eriques et formes modulaires, 212--267, Monogr. Enseign. Math., 37, Enseignement Math., Geneva, 2001.
S. Boecherer and G. Nebe, On theta series attached to maximal lattices and their adjoints, Preprint 2009.
P. Gaborit, A bound for certain s-extremal lattices and codes. Archiv der Mathematik 89 (2007) 143-151.
|
|
CROSSREFS
|
Sequence in context: A046410 A098936 A031846 this_sequence A031670 A031580 A028543
Adjacent sequences: A164969 A164970 A164971 this_sequence A164973 A164974 A164975
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Gabi Nebe (nebe(AT)math.rwth-aachen.de), Sep 03 2009
|
|
|
Search completed in 0.002 seconds
|
