6 lines
231 B
TeX
6 lines
231 B
TeX
\section{Subfields of a Finite Field}
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\begin{theorem}[Subfields of a Finite Field]
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For each divisor $m$ of $n$, $\gf(p^n)$ has a unique subfield of order $p^m$. Moreover, these are the only subfields of $\gf(p^n)$.
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\end{theorem}
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