# Differences

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groups [2012/06/15 23:09]
jipsen
groups [2012/06/15 23:11] (current)
jipsen
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It follows that $e$ is a right-identity and that $^{-1}$gives a right It follows that $e$ is a right-identity and that $^{-1}$gives a right
inverse: $xe=x$, $xx^{-1}=e$. inverse: $xe=x$, $xx^{-1}=e$.
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-This definition shows that groups form a variety.
==Morphisms== ==Morphisms==
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f(18)= &5\\ f(18)= &5\\
\end{array}$\end{array}$
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Information about small groups up to size 2000: http://www.tu-bs.de/~hubesche/small.html Information about small groups up to size 2000: http://www.tu-bs.de/~hubesche/small.html