Checking eigenforms in SAGE

asked 2023-07-04 17:50:25 +0100

anonymous user


updated 2023-07-07 08:47:31 +0100

FrédéricC gravatar image

How to check if a half-integer weight form is an eigenform in SAGE and determine its eigenvalues and eigenvectors? For Eg., If $f(z) = \eta(24z)^{11}$, how does one find the q-series expansion of $f | T_{p^2}$? There seems to be a documentation in integer weight cases only.

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