Construction of extremal Type II Z2k-codes

Research output: Contribution to journalArticlepeer-review


We give methods for constructing many self-dual Zm-codes and Type II Z2k-codes of length 2n starting from a given self-dual Zm-code and Type II Z2k-code of length 2n, respectively. As an application, we construct extremal Type II Z2k-codes of length 24 for k=4,5,…,20 and extremal Type II Z2k-codes of length 32 for k=4,5,…,10. We also construct new extremal Type II Z4-codes of lengths 56 and 64.

Original languageEnglish
Article number102154
JournalFinite Fields and their Applications
Publication statusPublished - 2023 Mar


  • Extremal Type II code
  • Self-dual code
  • Type II code

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Algebra and Number Theory
  • Engineering(all)
  • Applied Mathematics


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