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

\usepackage{amsfonts, amsmath, amssymb}

\begin{document}
\begin{tabular}{l}
{\huge type A2, s=7, subset=[1]}\\ \\


$\displaystyle
\begin{array}{r|l l}
	{\scriptstyle i+j=1}&L_{3,3}L_{4,3}L_{3,4}L_{4,4}&\\
	{\scriptstyle i+j=3}&0&L_{3,3}L_{4,3}L_{3,4}L_{4,4}\\
	\hline h^{i,j}&{\scriptstyle j-i=1}&{\scriptstyle j-i=3}
\end{array}
$ \\ \\


$\displaystyle
\begin{array}{r|l l}
	{\scriptstyle i+j=1}&351&\\
	{\scriptstyle i+j=3}&0&351\\
	\hline h^{i,j}&{\scriptstyle j-i=1}&{\scriptstyle j-i=3}
\end{array}
$ \\ \\


$\displaystyle
\begin{array}{rll}
	\text{module}&\text{multiplicity}&\text{dimension} \\ \hline \text{all}&&702 \\
	L\left( 3\alpha_{1}+ 3\alpha_{2}\right)&2&64\\
	L\left( 4\alpha_{1}+ 3\alpha_{2}\right)&2&81\\
	L\left( 3\alpha_{1}+ 4\alpha_{2}\right)&2&81\\
	L\left( 4\alpha_{1}+ 4\alpha_{2}\right)&2&125
\end{array}
$ \\ \\

\end{tabular}
\end{document}
