\documentclass[crop,border=2mm]{standalone}

\usepackage{amsfonts, amsmath, amssymb}

\begin{document}
\begin{tabular}{l}
{\huge type A2, s=2, subset=[1]}\\ \\


$\displaystyle
\begin{array}{r|l l l}
	{\scriptstyle i+j=0}&L_{1,1}&&\\
	{\scriptstyle i+j=2}&0&L_{1,1}^{2}L_{2,1}L_{1,2}&\\
	{\scriptstyle i+j=4}&0&0&L_{1,1}\\
	\hline h^{i,j}&{\scriptstyle j-i=0}&{\scriptstyle j-i=2}&{\scriptstyle j-i=4}
\end{array}
$ \\ \\


$\displaystyle
\begin{array}{r|l l l}
	{\scriptstyle i+j=0}&8&&\\
	{\scriptstyle i+j=2}&0&36&\\
	{\scriptstyle i+j=4}&0&0&8\\
	\hline h^{i,j}&{\scriptstyle j-i=0}&{\scriptstyle j-i=2}&{\scriptstyle j-i=4}
\end{array}
$ \\ \\


$\displaystyle
\begin{array}{rll}
	\text{module}&\text{multiplicity}&\text{dimension} \\ \hline \text{all}&&52 \\
	L\left(\alpha_{1}+\alpha_{2}\right)&4&8\\
	L\left( 2\alpha_{1}+\alpha_{2}\right)&1&10\\
	L\left(\alpha_{1}+ 2\alpha_{2}\right)&1&10
\end{array}
$ \\ \\

\end{tabular}
\end{document}
