Extremal Selfdual Binary Codes with Automorphisms with Type 3-(12,2)
FAN Jiqiu1,2, XIE Jingran3, YANG Qing2
1. School of Mathematics and Information Science, East China Institute of Technology, Fuzhou 344000, Jiangxi Province, China; 2. Institute of Mathematics, Jilin University, Changchun 130012, China;3. College of Mathematics, Jilin University, Changchun 130012, China