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$\boldsymbol {{}^{2}G_{2}(q)}$ USING THE CODEGREE SET
The codegree of an irreducible character 
$\chi $ of a finite group G is 
$|G : \ker \chi |/\chi (1)$. We show that the Ree group 
${}^2G_2(q)$, where 
$q = 3^{2f+1}$, is determined up to isomorphism by its set of codegrees.
