Abstract: Journal Article McKay's E7 Observation on the Baby Monster Get access Gerald Höhn, Gerald Höhn 1Department of Mathematics, Kansas State University, 138 Cardwell Hall, Manhattan, KS 66506-2602, USA Correspondence to be sent to: e-mail: [email protected] Search for other works by this author on: Oxford Academic Google Scholar Ching Hung Lam, Ching Hung Lam 2Institute of Mathematics, Academia Sinica, Taipei 10617, Taiwan Search for other works by this author on: Oxford Academic Google Scholar Hiroshi Yamauchi Hiroshi Yamauchi 3Department of Mathematics, Tokyo Woman's Christian University, 2-6-1 Zempukuji, Suginami-ku, Tokyo 167-8585, Japan Search for other works by this author on: Oxford Academic Google Scholar International Mathematics Research Notices, Volume 2012, Issue 1, 2012, Pages 166–212, https://doi.org/10.1093/imrn/rnr009 Published: 21 February 2011 Article history Received: 06 August 2010 Revision received: 06 December 2010 Accepted: 12 January 2011 Published: 21 February 2011