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Aug 20, 2013 at 10:05 comment added user38651 Yes that is right, maybe the term "classes" is not appropriate. I meant just that such subgroups are conjugate to either a cyclic one or a binary polyhedral one. As for the Mckay correspondence, thanks for the comment.
Aug 17, 2013 at 15:47 answer added Ian Agol timeline score: 3
Aug 16, 2013 at 14:32 comment added Jim Humphreys I don't quite understand the term "classes" in the first sentence. Anyway it's unnecessary to mention the McKay correspondence, since the finite subgroups of SU(2) were known much earlier. By now the determination of those finite groups has made its way into elementary sources (such as M. Artin's textbook on algebra.
Aug 15, 2013 at 21:36 history edited Ricardo Andrade CC BY-SA 3.0
replaced non-applicable tag; corrected typos and minor grammatical mistakes to improve readability
Aug 15, 2013 at 20:19 answer added José Figueroa-O'Farrill timeline score: 8
Aug 15, 2013 at 15:11 review First posts
Aug 15, 2013 at 15:21
Aug 15, 2013 at 14:55 history asked user38651 CC BY-SA 3.0