1\newcommand{\etalchar}[1]{$^{#1}$} 2\begin{thebibliography}{DFdG15} 3 4\bibitem[BJS{\etalchar{+}}]{our} 5M.~Boche{\a'n}ski, P.~Jastrz{\k e}bski, A.~Szczepkowska, A.~Tralle, and 6 A.~Woike. 7\newblock Semisimple subalgebras in simple lie algebras and a computational 8 approach to the compact clifford-klein forms problem. 9\newblock \href {https://doi.org/10.1080/10586458.2018.1492475} 10 {\texttt{https://doi.org/}\discretionary 11 {}{}{}\texttt{10.1080/}\discretionary {}{}{}\texttt{10586458.2018.1492475}}. 12 13\bibitem[DFdG14]{CoReLG} 14H.~Dietrich, P.~Faccin, and W.~A. de~Graaf. 15\newblock Corelg, computation with real lie groups, version 1.20. 16\newblock \href {http://users.monash.edu/~heikod/corelg/} 17 {\texttt{http://users.monash.edu/}\discretionary 18 {}{}{}\texttt{\texttt{\symbol{126}}heikod/}\discretionary 19 {}{}{}\texttt{corelg/}}, Dec 2014. 20\newblock Refereed GAP package. 21 22\bibitem[DFdG15]{DFG} 23H.~Dietrich, P.~Faccin, and W.~A. de~Graaf. 24\newblock Regular subalgebras and nilpotent orbits of real graded lie algebras. 25\newblock {\em Journal of Algebra}, (423):1044{\textendash}1079, 2015. 26 27\bibitem[dG]{SLA} 28W.~A. de~Graaf. 29\newblock Sla, computing with simple lie algebras, version 1.5.2. 30\newblock \href {https://gap-packages.github.io/sla/} 31 {\texttt{https://gap-packages.github.io/}\discretionary {}{}{}\texttt{sla/}}. 32\newblock Refereed GAP package. 33 34\bibitem[OV90]{onvin} 35A.~Onishchik and E.~Vinberg. 36\newblock {\em Lie Groups and Algebraic Groups}. 37\newblock Springer Series in Soviet Mathematics. Springer-Verlag Berlin 38 Heidelberg, first edition, 1990. 39\newblock Original Russian edition published by Nauka, Moscow 1988. 40 41\end{thebibliography} 42