In this paper, we investigate Hadamard matrices of order 2(p + 1) with an automorphism of odd prime order p. In particular, the classification of such Hadamard matrices for the cases p 19 and 23 is given. Self-dual codes related to such Hadamard matrices are also investigated.
- Hadamard design
- Hadamard matrix
- Self-dual code
ASJC Scopus subject areas
- Discrete Mathematics and Combinatorics