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Math Help - representation of finite group

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    representation of finite group

    If G is a group of finite order and elements of G acts on a finite dim vector space V as isomorphisms, is it true that |G|dimVG= [/sum_g]Tr(g)? where VG={v\in V: g.v=v for all g\in G}
    Thanks a lot!
    Last edited by limitpang; May 7th 2012 at 07:39 PM.
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