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Symmetric groups are determined by their character degrees (1103.3939v1)
Published 21 Mar 2011 in math.GR and math.RT
Abstract: Let $G$ be a finite group. Let $X_1(G)$ be the first column of the ordinary character table of $G.$ In this paper, we will show that if $X_1(G)=X_1(S_n),$ then $G\cong S_n.$ As a consequence, we show that $S_n$ is uniquely determined by the structure of the complex group algebra $\C S_n.$
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