In this paper, we consider a general construction of doubly-even self-dual codes. From three symmetric 2-(31, 10, 3) designs, we construct at least 3228 inequivalent extremal doubly-even [64, 32, 12] codes. These codes are distinguished by their K-matrices.
- extremal codes
- generator matrices and symmetric designs
- self-dual codes
ASJC Scopus subject areas
- Theoretical Computer Science
- Applied Mathematics
- Computational Theory and Mathematics