Here are is function called the Weierstrass \(\wp\)-function. Given a lattice \(\Lambda \subseteq \mathbb{C}\), one denotes

\[\begin{equation} \wp(z, \Lambda) = \frac{1}{z^{2}} + \sum_{\lambda \in \Lambda \setminus \{0\}} \Big(\frac{1}{(z-\lambda)^{2}} - \frac{1}{\lambda^{2}}\Big) \end{equation}\]

How to write in latex.

One must write the symbol \(\wp\) as \wp in \(\LaTeX\).