Classification of extremal and $s$-extremal binary self-dual codes of length 38

Carlos Aguilar-Melchor, Philippe Gaborit, Jon-Lark Kim +2

In this paper we classify all extremal and $s$-extremal binary self-dual codes of length 38. There are exactly 2744 extremal $[38,19,8]$ self-dual codes, two $s$-extremal $[38,19,6…