# American Institute of Mathematical Sciences

November  2016, 10(4): 695-706. doi: 10.3934/amc.2016035

## Note on the residue codes of self-dual $\mathbb{Z}_4$-codes having large minimum Lee weights

 1 Research Center for Pure and Applied Mathematics, Graduate School of Information Sciences, Tohoku University, Sendai 980-8579

Received  March 2014 Revised  October 2014 Published  November 2016

It is shown that the residue code of a self-dual $\mathbb{Z}_4$-code of length $24k$ (resp. $24k+8$) and minimum Lee weight $8k+4 \text{ or }8k+2$ (resp. $8k+8 \text{ or }8k+6$) is a binary extremal doubly even self-dual code for every positive integer $k$. A number of new self-dual $\mathbb{Z}_4$-codes of length $24$ and minimum Lee weight $10$ are constructed using the above characterization. These codes are Type I $\mathbb{Z}_4$-codes having the largest minimum Lee weight and the largest Euclidean weight among all Type I $\mathbb{Z}_4$-codes of that length. In addition, new extremal Type II $\mathbb{Z}_4$-codes of length $56$ are found.
Citation: Masaaki Harada. Note on the residue codes of self-dual $\mathbb{Z}_4$-codes having large minimum Lee weights. Advances in Mathematics of Communications, 2016, 10 (4) : 695-706. doi: 10.3934/amc.2016035
##### References:
 [1] E. F. Assmus, Jr. and V. Pless, On the covering radius of extremal self-dual codes,, IEEE Trans. Inform. Theory, 29 (1983), 359. doi: 10.1109/TIT.1983.1056681. Google Scholar [2] C. Bachoc and P. Gaborit, Designs and self-dual codes with long shadows,, J. Combin. Theory Ser. A, 105 (2004), 15. doi: 10.1016/j.jcta.2003.09.003. Google Scholar [3] A. Bonnecaze, P. Solé, C. Bachoc and B. Mourrain, Type II codes over $\mathbbZ_4$,, IEEE Trans. Inform. Theory, 43 (1997), 969. doi: 10.1109/18.568705. Google Scholar [4] W. Bosma, J. Cannon and C. Playoust, The Magma algebra system. I. The user language,, J. Symbolic Comput., 24 (1997), 235. doi: 10.1006/jsco.1996.0125. Google Scholar [5] J. H. Conway and N. J. A. Sloane, A new upper bound on the minimal distance of self-dual codes,, IEEE Trans. Inform. Theory, 36 (1990), 1319. doi: 10.1109/18.59931. Google Scholar [6] J. H. Conway and N. J. A. Sloane, Self-dual codes over the integers modulo $4$,, J. Combin. Theory Ser. A, 62 (1993), 30. doi: 10.1016/0097-3165(93)90070-O. Google Scholar [7] T. A. Gulliver and M. Harada, Certain self-dual codes over $\ZZ_4$ and the odd Leech lattice,, in Int. Symp. Appl. Algebra Algebr. Algor. Error-Correcting Codes, (1997), 130. doi: 10.1007/3-540-63163-1_10. Google Scholar [8] A. R. Hammons, Jr., P. V. Kumar, A. R. Calderbank, N. J. A. Sloane and P. Solé, The $\ZZ_4$-linearity of Kerdock, Preparata, Goethals and related codes,, IEEE Trans. Inform. Theory, 40 (1994), 301. doi: 10.1109/18.312154. Google Scholar [9] M. Harada, Extremal type II $\mathbbZ_4$-codes of lengths $56$ and $64$,, J. Combin. Theory Ser. A, 117 (2010), 1285. doi: 10.1016/j.jcta.2009.09.003. Google Scholar [10] M. Kiermaier, There is no self-dual $\ZZ_4$-linear code whose Gray image has the parameters $(72,2^{36},16)$,, IEEE Trans. Inform. Theory, 59 (2013), 3384. doi: 10.1109/TIT.2013.2246816. Google Scholar [11] M. Kiermaier and A. Wassermann, Double and bordered $\alpha$-circulant self-dual codes over finite commutative chain rings,, in Proc. 7th Int. Workshop Alg. Combin. Coding Theory, (2008), 144. Google Scholar [12] M. Kiermaier and A. Wassermann, Minimum weights and weight enumerators of $\ZZ_4$-linear quadratic residue codes,, IEEE Trans. Inform. Theory, 58 (2012), 4870. doi: 10.1109/TIT.2012.2191389. Google Scholar [13] F. J. MacWilliams, N. J. A. Sloane and J. G. Thompson, Good self dual codes exist,, Discrete Math., 3 (1972), 153. Google Scholar [14] C. L. Mallows and N. J. A. Sloane, An upper bound for self-dual codes,, Inform. Control, 22 (1973), 188. Google Scholar [15] V. Pless, J. Leon and J. Fields, All $\ZZ_4$ codes of Type II and length 16 are known,, J. Combin. Theory Ser. A, 78 (1997), 32. doi: 10.1006/jcta.1996.2750. Google Scholar [16] E. Rains, Shadow bounds for self-dual codes,, IEEE Trans. Inform. Theory, 44 (1998), 134. doi: 10.1109/18.651000. Google Scholar [17] E. Rains, Optimal self-dual codes over $\ZZ_4$,, Discrete Math., 203 (1999), 215. doi: 10.1016/S0012-365X(98)00358-6. Google Scholar [18] E. Rains, Bounds for self-dual codes over $\ZZ_4$,, Finite Fields Appl., 6 (2000), 146. doi: 10.1006/ffta.1999.0258. Google Scholar [19] E. Rains and N. J. A. Sloane, Self-dual codes,, in Handbook of Coding Theory (eds. V.S. Pless and W.C. Huffman), (1998), 177. Google Scholar [20] E. Rains and N. J. A. Sloane, The shadow theory of modular and unimodular lattices,, J. Number Theory, 73 (1998), 359. doi: 10.1006/jnth.1998.2306. Google Scholar [21] S. Zhang, On the nonexistence of extremal self-dual codes,, Discrete Appl. Math., 91 (1999), 277. doi: 10.1016/S0166-218X(98)00131-0. Google Scholar

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##### References:
 [1] E. F. Assmus, Jr. and V. Pless, On the covering radius of extremal self-dual codes,, IEEE Trans. Inform. Theory, 29 (1983), 359. doi: 10.1109/TIT.1983.1056681. Google Scholar [2] C. Bachoc and P. Gaborit, Designs and self-dual codes with long shadows,, J. Combin. Theory Ser. A, 105 (2004), 15. doi: 10.1016/j.jcta.2003.09.003. Google Scholar [3] A. Bonnecaze, P. Solé, C. Bachoc and B. Mourrain, Type II codes over $\mathbbZ_4$,, IEEE Trans. Inform. Theory, 43 (1997), 969. doi: 10.1109/18.568705. Google Scholar [4] W. Bosma, J. Cannon and C. Playoust, The Magma algebra system. I. The user language,, J. Symbolic Comput., 24 (1997), 235. doi: 10.1006/jsco.1996.0125. Google Scholar [5] J. H. Conway and N. J. A. Sloane, A new upper bound on the minimal distance of self-dual codes,, IEEE Trans. Inform. Theory, 36 (1990), 1319. doi: 10.1109/18.59931. Google Scholar [6] J. H. Conway and N. J. A. Sloane, Self-dual codes over the integers modulo $4$,, J. Combin. Theory Ser. A, 62 (1993), 30. doi: 10.1016/0097-3165(93)90070-O. Google Scholar [7] T. A. Gulliver and M. Harada, Certain self-dual codes over $\ZZ_4$ and the odd Leech lattice,, in Int. Symp. Appl. Algebra Algebr. Algor. Error-Correcting Codes, (1997), 130. doi: 10.1007/3-540-63163-1_10. Google Scholar [8] A. R. Hammons, Jr., P. V. Kumar, A. R. Calderbank, N. J. A. Sloane and P. Solé, The $\ZZ_4$-linearity of Kerdock, Preparata, Goethals and related codes,, IEEE Trans. Inform. Theory, 40 (1994), 301. doi: 10.1109/18.312154. Google Scholar [9] M. Harada, Extremal type II $\mathbbZ_4$-codes of lengths $56$ and $64$,, J. Combin. Theory Ser. A, 117 (2010), 1285. doi: 10.1016/j.jcta.2009.09.003. Google Scholar [10] M. Kiermaier, There is no self-dual $\ZZ_4$-linear code whose Gray image has the parameters $(72,2^{36},16)$,, IEEE Trans. Inform. Theory, 59 (2013), 3384. doi: 10.1109/TIT.2013.2246816. Google Scholar [11] M. Kiermaier and A. Wassermann, Double and bordered $\alpha$-circulant self-dual codes over finite commutative chain rings,, in Proc. 7th Int. Workshop Alg. Combin. Coding Theory, (2008), 144. Google Scholar [12] M. Kiermaier and A. Wassermann, Minimum weights and weight enumerators of $\ZZ_4$-linear quadratic residue codes,, IEEE Trans. Inform. Theory, 58 (2012), 4870. doi: 10.1109/TIT.2012.2191389. Google Scholar [13] F. J. MacWilliams, N. J. A. Sloane and J. G. Thompson, Good self dual codes exist,, Discrete Math., 3 (1972), 153. Google Scholar [14] C. L. Mallows and N. J. A. Sloane, An upper bound for self-dual codes,, Inform. Control, 22 (1973), 188. Google Scholar [15] V. Pless, J. Leon and J. Fields, All $\ZZ_4$ codes of Type II and length 16 are known,, J. Combin. Theory Ser. A, 78 (1997), 32. doi: 10.1006/jcta.1996.2750. Google Scholar [16] E. Rains, Shadow bounds for self-dual codes,, IEEE Trans. Inform. Theory, 44 (1998), 134. doi: 10.1109/18.651000. Google Scholar [17] E. Rains, Optimal self-dual codes over $\ZZ_4$,, Discrete Math., 203 (1999), 215. doi: 10.1016/S0012-365X(98)00358-6. Google Scholar [18] E. Rains, Bounds for self-dual codes over $\ZZ_4$,, Finite Fields Appl., 6 (2000), 146. doi: 10.1006/ffta.1999.0258. Google Scholar [19] E. Rains and N. J. A. Sloane, Self-dual codes,, in Handbook of Coding Theory (eds. V.S. Pless and W.C. Huffman), (1998), 177. Google Scholar [20] E. Rains and N. J. A. Sloane, The shadow theory of modular and unimodular lattices,, J. Number Theory, 73 (1998), 359. doi: 10.1006/jnth.1998.2306. Google Scholar [21] S. Zhang, On the nonexistence of extremal self-dual codes,, Discrete Appl. Math., 91 (1999), 277. doi: 10.1016/S0166-218X(98)00131-0. Google Scholar
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