Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1a}}&{}\approx{}&0.089316397477&{}:{}&0.455341801261&{}:{}&0.455341801261&,\\B^\prime_{\mathbf{1a}}&{}\approx{}&-0.098076211353&{}:{}&1.000000000000&{}:{}&0.098076211353&,\\C^\prime_{\mathbf{1a}}&{}\approx{}&-4.098076211353&{}:{}&4.098076211353&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.191567773597&{}:{}&1.072410996238&{}:{}&0.119156777360&,\\B^{\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.329422863406&{}:{}&0.819615242271&{}:{}&0.509807621135&,\\C^{\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.064866672287&{}:{}&0.903476194491&{}:{}&0.161390477796&,
\\
A^{\prime\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.105930302945&{}:{}&1.080081515006&{}:{}&0.025848787939&,\\B^{\prime\prime\prime}_{\mathbf{1a}}&{}\approx{}&0.136200941605&{}:{}&0.694362780359&{}:{}&0.169436278036&,\\C^{\prime\prime\prime}_{\mathbf{1a}}&{}\approx{}&0.017217975236&{}:{}&0.895003474807&{}:{}&0.087778549957&,
\\
A^*_{\mathbf{1a}}&{}\approx{}&0.000000000000&{}:{}&1.500000000000&{}:{}&-0.500000000000&,\\B^*_{\mathbf{1a}}&{}\approx{}&-0.866025403784&{}:{}&0.000000000000&{}:{}&1.866025403784&,\\C^*_{\mathbf{1a}}&{}\approx{}&0.133974596216&{}:{}&0.866025403784&{}:{}&0.000000000000&.
\end{alignedat}
\]