Brouwer, A. E. and van Maldeghem, H. "The Conway Graph of 1408 Vertices" and "The Conway Graph on 2300 Vertices." §10.81
and 10.88 in Strongly
Regular Graphs. Cambridge, England: Cambridge University Press, pp. 359
and 365-366, 2022.DistanceRegular.org. Conway Graphs. 1408
vertices and 2300
vertices.