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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Nov 25, 2009 at 13:30 comment added Harrison Brown Well, if you only care about them up to conjugacy, I suppose you could look at Galois representations of this group, about which some nontrivial things are in fact known, although I don't claim to understand it.
Nov 25, 2009 at 13:25 comment added Lior Bary-Soroker I read this answer, and it's fine with me to find elements up to conjugation. Both the complex conjugation and the `local elements' coming from local fields are defined up to conjugation.
Nov 25, 2009 at 13:14 history answered Harrison Brown CC BY-SA 2.5