Update on Overleaf.

main.tex

@@ -120,7 +120,7 @@ code-for-last-col = \color{blue}
 	\end{itemize}
 	\begin{figure}[H]
 		\centering
-		\includegraphics[width=0.35\linewidth]{binary-octahedron.png}
+		\includegraphics[width=0.4\linewidth]{binary-octahedron.png}
 		\caption{Graphical representation of the binary tetrahedral group
 				[5]}
 	\end{figure}

prerequisites.tex

@@ -49,5 +49,5 @@
 		\end{align*}
 	\end{definition}
 
-	In the $\S^3$ case, we denote $\lens p q \coloneq \lens p {(1, q)}$ for coprime $p, q \in \mathbb \mathbb Z$.
+	In the $\S^3$ case, we denote $\lens p q \coloneq \lens p {(1, q)}$ for coprime $p, q \in \mathbb Z$.
 \end{frame}