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Re: representing the dihedral group

  • To: mathgroup at smc.vnet.net
  • Subject: [mg99104] Re: representing the dihedral group
  • From: obott0 at gmail.com
  • Date: Mon, 27 Apr 2009 01:16:04 -0400 (EDT)
  • References: <gsh100$gr$1@smc.vnet.net> <gsivel$9c7$1@smc.vnet.net>

What about simplifying the canonical forms even more?

(a*b)^m * a = r^(m+1)*s = s*r^mod(-m-1,n) = (b*a)^k * b for some k,
and also
(b*a)^m = s*r^(m+1)*s = r^mod(-m-1,n) = (a*b)^k for some k


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