% One needs PDF2SVG to generate the SVG graph.
% Author: Ika
% Update Date: 11/17/2014

\documentclass{amsart}
\usepackage[paperwidth=200px, paperheight=115px, top=-10px, left=0px, right=0px, bottom=0px]{geometry}
\usepackage{amsmath,amssymb,nopageno}
\usepackage[all]{xy}
\begin{document}
\Huge
\[
	\xymatrix@C+1em@R+1em{ 
	\left< g_1, g_2 \right> \ar^{\mathbf{Inv}}[r] \ar_{*}[d] & \left< g^{-1}_1, g^{-1}_2 \right> \ar^{*'}[d] \\
	g \ar^{\mathbf{Inv}}[r] & g^{-1}
	}
\]
\end{document}