Database of selfdual codes over integers modulo 6
Data files are in Magma format.
Magma programs
 checking equivalence
 checking mass formula
 extracting codes from a lattice
References
 E. Bannai, S.T. Dougherty, M. Harada and M. Oura, Type II codes, even unimodular lattices, and invariant rings, IEEE Trans. Inform. Theory 45 (1999), 11941205.
 S.T. Dougherty, M. Harada and P. Sole, Selfdual codes over rings and the Chinese remainder theorem, Hokkaido Math. J. 28 (1999), 253283.

M. Harada and A. Munemasa,
On the classification of selfdual Z_kcodes,
Cryptography and coding, 7890,
Lecture Notes in Comput. Sci., 5921, Springer, Berlin, 2009.
 M. Kitazume and T. Ooi, Classification of type II Z_6codes of length 8, AKCE Int. J. Graphs Comb. 1 (2004), 3540.
 Y.H. Park, Modular independence and generator matrices for codes over Z_m, Des. Codes Cryptogr. 50 (2009), 147162.
Links
Created May 24, 2009 by Masaaki Harada and Akihiro Munemasa
Last modified October 16, 2018.