The Lattice KAPPA20

An entry from the Catalogue of Lattices, which is a joint project of
Gabriele Nebe, University of Ulm (nebe@mathematik.uni-ulm.de) and
Neil J. A. Sloane, AT&T Shannon Labs (njas@research.att.com)

Last modified Mon Jun 3 13:08:19 EDT 2002

INDEX FILE | ABBREVIATIONS

Contents of this file

NAME
DIMENSION
DET
GRAM
DIVISORS
MINIMAL_NORM
KISSING_NUMBER
REFERENCES
LAST_LINE

• NAME
  KAPPA20
  
• DIMENSION
  20
  
• DET
  81
  
• GRAM
  20 0
  4
  2 4
  0 -2 4
  0 -2 0 4
  0 0 -2 0 4
  -2 -2 0 0 0 4
  -2 -1 1 0 0 0 4
  -2 -1 0 -1 1 2 2 4
  -2 -2 0 1 1 2 2 2 4
  -2 0 -2 0 1 1 0 0 0 4
  1 1 0 0 0 -2 0 -1 -1 -2 4
  -2 -1 0 0 0 1 1 1 1 1 -2 4
  0 -1 1 1 0 -1 1 0 0 -1 1 -1 4
  0 0 0 0 0 0 0 0 0 0 0 0 -2 4
  0 -1 0 0 1 1 0 1 1 -1 0 0 1 -1 4
  0 0 1 0 -1 0 1 0 0 0 -1 0 0 1 0 4
  0 0 0 0 0 0 0 0 0 0 0 0 -1 1 0 0 4
  0 0 0 0 0 0 0 0 0 0 0 0 -1 1 1 0 1 4
  1 0 -1 1 1 0 -1 -1 0 0 0 0 0 0 1 -1 0 1 4
  0 0 0 0 0 0 0 0 0 0 0 0 -1 1 1 1 0 1 0 4
  
• DIVISORS
  3^2*9
  
• MINIMAL_NORM
  4
  
• KISSING_NUMBER
  15390
  
• REFERENCES
  W.Plesken, M.Pohst
  Constructing integral lattices with prescribed minimum II
  Math. Comp. Vol 60, N. 202 (1993) 817-825
  
• LAST_LINE
  
  

INDEX FILE | ABBREVIATIONS