The image order of a mod-$\ell$ Galois representation $\rho:\Gal_K\to G(\F_{\ell})$ is the order (or cardinality) of the image $\rho(\Gal_K)$.
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- Last edited by John Cremona on 2023-03-24 11:25:13
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- 2023-03-24 11:25:13 by John Cremona
- 2023-03-24 05:06:08 by Andrew Sutherland
- 2023-03-24 05:06:01 by Andrew Sutherland