The **Artin image** of a weight one newform is the image of its associated Galois representation $\rho\colon \Gal(\overline\Q/\Q)\to \GL_2(\C)$.

The Artin image is a finite subgroup of $\GL_2(\C)$ whose cardinality is equal to the degree of the Artin field.

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- Review status: reviewed
- Last edited by John Voight on 2020-02-15 13:32:18

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**History:**(expand/hide all)

- 2020-02-15 13:32:18 by John Voight (Reviewed)
- 2020-01-03 06:02:41 by Andrew Sutherland
- 2018-12-07 14:34:04 by Andrew Sutherland (Reviewed)

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