Database of self-dual codes over integers modulo 8

Length	Data	Remarks
2
4
6	Z8-6.magma
8	Z8-8-I.magma Z8-8-II.magma	Type I Type II
10	Z8-10-1.magma Z8-10-2.magma	codes C with A(C)=Z^10 codes C with A(C)=E8+Z^2
12	Z8-12-1.magma Z8-12-2.magma Z8-12-3.magma	codes C with A(C)=D12 codes C with A(C)=Z^12 codes C with A(C)=E8+Z^4

Data files are in Magma format.

Magma programs

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), 1194-1205.
K. Betsumiya, R.A.L. Betty and A. Munemasa, Mass formula for even codes over Z_8, Cryptography and coding, 65-77, Lecture Notes in Comput. Sci., 5921, Springer, Berlin, 2009.
S.T. Dougherty, T.A. Gulliver and J. Wong, Self-dual codes over Z_8 and Z_9, Des. Codes Cryptogr. 41 (2006), 235-249.
M. Harada and A. Munemasa, On the classification of self-dual Z_k-codes, Cryptography and coding, 78-90, Lecture Notes in Comput. Sci., 5921, Springer, Berlin, 2009.
K. Nagata, F. Nemenzo and H. Wada, The number of self-dual codes over Z_{p^3}, Des. Codes Cryptogr. 50 (2009), 291-303.