\begin{definition}[Definition:Gamma Function/Graph]
The graph of the gamma function is illustrated here for real arguments.
<!--thumbright400pxThe gamma function: $\map \Gamma z$ (red solid line) and $\dfrac 1 {\map \Gamma z}$ (blue broken line)-->
:800pxThe gamma function: $\map \Gamma z$ (red solid line) and $\dfrac 1 {\map \Gamma z}$ (blue broken line)
The gamma function:
:$\map \Gamma z$ (red solid line)
:$\dfrac 1 {\map \Gamma z}$ (blue broken line)
\end{definition}