The regular two-graph on 276 vertices

J.M. Goethals, J.J. Seidel

Research output: Contribution to journalArticleAcademicpeer-review

60 Citations (Scopus)

Abstract

There is a unique regular two-graph on 276 vertices. This provides a characterization of Conway's group 3. The proof is based on 276 3 × 11 + 35, and uses the ternary Golay code. The paper contains a list of the known strongly regular graphs with the eigenvalue -5.
Original languageEnglish
Pages (from-to)143-158
Number of pages16
JournalDiscrete Mathematics
Volume12
Issue number2
DOIs
Publication statusPublished - 1975

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