\begin{table}%t5
\caption{\label{tab_case2}Eigenvalues in units of $\eta/L^2$ of the first two antisymmetric eigenmodes of the temporally averaged dynamo operator obtained from the time-dependent dynamo (case 2, Sect.~\ref{sec_tdd}).} 
%\centering
\begin{tabular}{ccccc}
\hline\hline\noalign{\smallskip}
$n_{\rm max}$ & $l_{\rm max}$ & $\lam_0$ & $\lam_3$ \\
\hline
12 & 12 & ($-$4.520,~0.0) & ($-$35.046,~$\pm$10.118) \\
16 & 16 & ($-$4.278,~0.0) & ($-$35.090,~$\pm$10.256) \\
20 & 20 & ($-$4.112,~0.0) & ($-$34.578,~$\pm$10.096) \\
24 & 24 & ($-$3.930,~0.0) & ($-$34.770,~$\pm$9.874) \\
28 & 28 & ($-$3.880,~0.0) & ($-$34.766,~$\pm$10.236) \\
32 & 32 & ($-$3.868,~0.0) & ($-$34.804,~$\pm$10.318) \\
\hline
16 & 32 & {\bf ($-$3.874~,~0.0)} & {\bf ($-$34.830,~$\pm$10.310)} \\
\hline
\end{tabular}
\tablefoot{The eigensolutions marked bold are displayed in
Fig.~\ref{fig_case2}.}
\end{table}