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

\usepackage{amsfonts, amsmath, amssymb}

\begin{document}
\begin{tabular}{l}
{\huge type B3, s=0, subset=[]}\\ \\


$\displaystyle
\begin{array}{r|l l l l l l l l l l}
	{\scriptstyle i+j=0}&\mathbb{C}&&&&&&&&&\\
	{\scriptstyle i+j=2}&\mathbb{C}^{3}&\mathbb{C}&&&&&&&&\\
	{\scriptstyle i+j=4}&\mathbb{C}^{5}&\mathbb{C}^{3}&\mathbb{C}&&&&&&&\\
	{\scriptstyle i+j=6}&\mathbb{C}^{7}&\mathbb{C}^{6}&\mathbb{C}^{3}&\mathbb{C}&&&&&&\\
	{\scriptstyle i+j=8}&\mathbb{C}^{8}&\mathbb{C}^{10}&\mathbb{C}^{6}&\mathbb{C}^{3}&\mathbb{C}&&&&&\\
	{\scriptstyle i+j=10}&\mathbb{C}^{8}&\mathbb{C}^{14}L_{1,1,1}&\mathbb{C}^{10}&\mathbb{C}^{6}&\mathbb{C}^{3}&\mathbb{C}&&&&\\
	{\scriptstyle i+j=12}&\mathbb{C}^{7}&\mathbb{C}^{15}L_{1,1,1}^{3}&\mathbb{C}^{14}L_{1,1,1}^{4}&\mathbb{C}^{10}L_{1,1,1}&\mathbb{C}^{6}&\mathbb{C}^{3}&\mathbb{C}&&&\\
	{\scriptstyle i+j=14}&\mathbb{C}^{5}&\mathbb{C}^{12}L_{1,1,1}^{2}&\mathbb{C}^{15}L_{1,1,1}^{6}L_{1,2,2}&\mathbb{C}^{14}L_{1,1,1}^{4}&\mathbb{C}^{10}&\mathbb{C}^{6}&\mathbb{C}^{3}&\mathbb{C}&&\\
	{\scriptstyle i+j=16}&\mathbb{C}^{3}&\mathbb{C}^{8}&\mathbb{C}^{12}L_{1,1,1}^{2}&\mathbb{C}^{15}L_{1,1,1}^{3}&\mathbb{C}^{14}L_{1,1,1}&\mathbb{C}^{10}&\mathbb{C}^{6}&\mathbb{C}^{3}&\mathbb{C}&\\
	{\scriptstyle i+j=18}&\mathbb{C}&\mathbb{C}^{3}&\mathbb{C}^{5}&\mathbb{C}^{7}&\mathbb{C}^{8}&\mathbb{C}^{8}&\mathbb{C}^{7}&\mathbb{C}^{5}&\mathbb{C}^{3}&\mathbb{C}\\
	\hline h^{i,j}&{\scriptstyle j-i=0}&{\scriptstyle j-i=2}&{\scriptstyle j-i=4}&{\scriptstyle j-i=6}&{\scriptstyle j-i=8}&{\scriptstyle j-i=10}&{\scriptstyle j-i=12}&{\scriptstyle j-i=14}&{\scriptstyle j-i=16}&{\scriptstyle j-i=18}
\end{array}
$ \\ \\


$\displaystyle
\begin{array}{r|l l l l l l l l l l}
	{\scriptstyle i+j=0}&1&&&&&&&&&\\
	{\scriptstyle i+j=2}&3&1&&&&&&&&\\
	{\scriptstyle i+j=4}&5&3&1&&&&&&&\\
	{\scriptstyle i+j=6}&7&6&3&1&&&&&&\\
	{\scriptstyle i+j=8}&8&10&6&3&1&&&&&\\
	{\scriptstyle i+j=10}&8&21&10&6&3&1&&&&\\
	{\scriptstyle i+j=12}&7&36&42&17&6&3&1&&&\\
	{\scriptstyle i+j=14}&5&26&78&42&10&6&3&1&&\\
	{\scriptstyle i+j=16}&3&8&26&36&21&10&6&3&1&\\
	{\scriptstyle i+j=18}&1&3&5&7&8&8&7&5&3&1\\
	\hline h^{i,j}&{\scriptstyle j-i=0}&{\scriptstyle j-i=2}&{\scriptstyle j-i=4}&{\scriptstyle j-i=6}&{\scriptstyle j-i=8}&{\scriptstyle j-i=10}&{\scriptstyle j-i=12}&{\scriptstyle j-i=14}&{\scriptstyle j-i=16}&{\scriptstyle j-i=18}
\end{array}
$ \\ \\


$\displaystyle
\begin{array}{rll}
	\text{module}&\text{multiplicity}&\text{dimension} \\ \hline \text{all}&&553 \\
	\mathbb{C}&343&1\\
	L\left(\alpha_{1}+\alpha_{2}+\alpha_{3}\right)&27&7\\
	L\left(\alpha_{1}+ 2\alpha_{2}+ 2\alpha_{3}\right)&1&21
\end{array}
$ \\ \\

\end{tabular}
\end{document}
