Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1a}}&{}\approx{}&-0.041196100146&{}:{}&0.431277545771&{}:{}&0.609918554376&,\\B^\prime_{\mathbf{1a}}&{}\approx{}&-0.099456183690&{}:{}&0.958803899854&{}:{}&0.140652283836&,\\C^\prime_{\mathbf{1a}}&{}\approx{}&-1.806562964876&{}:{}&1.806562964876&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.188533109142&{}:{}&1.003040014354&{}:{}&0.185493094788&,\\B^{\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.381418330097&{}:{}&0.696323118707&{}:{}&0.685095211389&,\\C^{\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.088538608173&{}:{}&0.859948758263&{}:{}&0.228589849910&,
\\
A^{\prime\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.108766554612&{}:{}&1.048560208790&{}:{}&0.060206345821&,\\B^{\prime\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.065514420258&{}:{}&0.685863425930&{}:{}&0.379650994327&,\\C^{\prime\prime\prime}_{\mathbf{1a}}&{}\approx{}&-0.008716097378&{}:{}&0.879672098223&{}:{}&0.129043999154&,
\\
A^*_{\mathbf{1a}}&{}\approx{}&0.000000000000&{}:{}&1.382683432365&{}:{}&-0.382683432365&,\\B^*_{\mathbf{1a}}&{}\approx{}&-0.923879532511&{}:{}&0.000000000000&{}:{}&1.923879532511&,\\C^*_{\mathbf{1a}}&{}\approx{}&0.117316567635&{}:{}&0.882683432365&{}:{}&0.000000000000&.
\end{alignedat}
\]