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definition:order_for_groups

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definition:order_for_groups [2013/08/21 09:16]
joshuawiscons created
definition:order_for_groups [2013/08/21 12:58] (current)
bmwoodruff
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 Let $G$ be a [[definition:group]] with identity $e$, and let $g\in G$.  Let $G$ be a [[definition:group]] with identity $e$, and let $g\in G$. 
   * The $\textdef{order}$ of $G$, denoted $|G|$, is the cardinality of $G$.   * The $\textdef{order}$ of $G$, denoted $|G|$, is the cardinality of $G$.
-  * The $\textdef{order}$ of $g$, denoted $|g|$, is the smallest positive integer $n$ such that $g^n = e$, if such an $n$ exists. If no such $n$ exists, $g$ is said to have infinite order.+  * The $\textdef{order}$ of $g$, denoted $|g|$, is the smallest positive integer $n$ such that $g^n = e$, if such an $n$ exists. If no such $n$ exists, we say $g$ has infinite order.
  
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-{{tag>definition needsreview rjosh}}+{{tag>definition needsreview rjosh rben}}
definition/order_for_groups.1377090998.txt.gz · Last modified: 2013/08/21 09:16 by joshuawiscons