${\displaystyle {\begin{array}{c}E_{1}{\xrightarrow {\quad f\quad }}E_{2}\\{}_{\pi _{1}}\searrow \quad \swarrow _{\pi _{2}}\\X\end{array}}}$

In your article, replace the image with:

<math>\begin{array}{c} E_1 \xrightarrow{\quad f \quad} E_2\\ {}_{\pi_1}\searrow \quad \swarrow_{\pi_2} \\ X \end{array}</math>

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