Comment (by Giuseppe Ficarra):

Do you know how can I create such a list? Is there any Mathematica package that computes the eigenfrequencies? If this doesn’t take too much, I can try to make the list. Besides, the routine only implements the l = m = 1 mode, so this would only loop on the spin values.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2485/include-complex-and-real-scalar-evolution