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The eigenvalue $\lambda$ of a Maass newform on GL(2) refers to the eigenvalue of the eigenspace of the Laplace-Baltrami operator in which it lies.

This eigenvalue is a real number that is typically written in the form $\lambda=\frac{1}{4}+R^2$, where $R$ is the spectral parameter.

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• Review status: reviewed
• Last edited by David Farmer on 2020-07-24 14:08:55
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