20080609, 07:30  #1 
Sep 2002
Vienna, Austria
3·73 Posts 
What is this group?
on http://www.win.tue.nl/~aeb/graphs/BrouwerHaemers.html, I see that the automorphism group of a certain graph is described as .
I understand this group is a composition of ,but exactly what does the . and : represent? Is it semidirect product, wreath product, or something else? I've been unable to find more informations on this notation elsewhere.. Last fiddled with by wpolly on 20080609 at 07:54 
20080609, 12:14  #2  
"Bob Silverman"
Nov 2003
North of Boston
2^{2}×1,877 Posts 
Quote:


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