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The analytic rank of an L-function $L(s)$ is its order of vanishing at its central point.

When the analytic rank $r$ is positive, the value listed in the LMFDB is typically an upper bound that is believed to be tight (in the sense that there are known to be $r$ zeroes located very near to the central point).

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• Review status: reviewed
• Last edited by Andrew Sutherland on 2019-04-09 13:04:22
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