Geodesic
On Binary Self-Dual Codes of Length 62 with an Automorphism of Order 7
Mathematics and Education in Mathematics, Tome 40 (2011) no. 1, pp. 223-228.

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We classify up to equivalence all optimal binary self-dual [62, 31, 12] codes having an automorphism of order 7 with 8 independent cycles. Using a method for constructing self-dual codes via an automorphism of odd prime order, we prove that there are exactly 8 inequivalent such codes. Three of the obtained codes have weight enumerator, previously unknown to exist. *2000 Mathematics Subject Classification: 94B05.
Keywords: Self-Dual Codes, Automorphisms, Optimal Codes 
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Yankov, Nikolay. On Binary Self-Dual Codes of Length 62 with an Automorphism of Order 7. Mathematics and Education in Mathematics, Tome 40 (2011) no. 1, pp. 223-228. http://geodesic.mathdoc.fr/item/MEM_2011_40_1_a22/