康威群
康威群（英語：Conway group）Co1、Co2、Co3是三个散在群，由英国数学家约翰·何顿·康威发现。
康威群都是通过利奇格（Leech lattice）构造得到的。它们的阶分别为：
- Co1：4,157,776,806,543,360,000 = 221 · 39 · 54 · 72 · 11 · 13 · 23
- Co2：42,305,421,312,000 = 218 · 36 · 53 · 7 · 11 · 23
- Co3：495,766,656,000 = 210 · 37 · 53 · 7 · 11 · 23
参考文献
This article uses material from the Wikipedia 中文 article 康威群, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 除非另有声明，本网站内容采用CC BY-SA 4.0授权。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 中文 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.