Hadamard matrices of order 28 with automorphisms of order 7

DOI10.1016/0097-3165(85)90047-0zbMath0573.05012OpenAlexW4205579146MaRDI QIDQ1063032

Vladimir D. Tonchev

Publication date: 1985

Published in: Journal of Combinatorial Theory. Series A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0097-3165(85)90047-0

zbMATH Keywords

automorphism groupHadamard matricesequivalence classes

Mathematics Subject Classification ID

Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Finite automorphism groups of algebraic, geometric, or combinatorial structures (20B25)

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