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I'm working with automorphism groups of graphs and I have a problem understanding the wreath product of two groups. I also wish to see some examples of graphs, other than Kn,n, whose automorphism group include wreath product of Sn.

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    Is there something in particular you don't understand about wreath products, as described, say, [here](http://en.wikipedia.org/wiki/Wreath_product) or [here](http://groupprops.subwiki.org/wiki/External_wreath_product)? For starters, are you comfortable with semidirect products? If so, the wreath product should not be a great leap.2012-02-18

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