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\begin{document}
\begin{table}[h]
\begin{tabular}[0.3/textwidth]{cllll}
\hline
$\lambda_1$ & $Cluster 1$ &  & $Cluster 2$ &  \\
   & $Non migrative$ & $Migrative$  & $Non migrative$ & $migrative$ \\
\hline
2.6 & 0.55 & 0.60 & 0.64 & 0.62 \\
2.7 & 0.57 & 0.62 & 0.66 & o.64 \\
2.8 & 0.60 & 0.64 & 0.69 & 0.67 \\
2.9 & 0.62 & 0.66 & 0.70 & 0.69 \\
\hline
\end{tabular}
\end{table}

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