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Yet another distance regular graph related to a Golay code. (English) Zbl 0810.05030
Electron. J. Comb. 2, Note N1, 4 p. (1995); printed version J. Comb. 2, 423-426 (1995).
Summary: We describe a new distance-regular, but not distance-transitive, graph. This graph has intersection array \(\{110,81,12;1,18,90\}\), and automorphism group \(M_{22}\colon 2\).
05C25 Graphs and abstract algebra (groups, rings, fields, etc.)
05E30 Association schemes, strongly regular graphs
05C12 Distance in graphs
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