It is a positive integer that is equal to 1 at all primes of good reduction for the Jacobian; it may also be 1 at primes of bad reduction.
The product of the Tamagawa numbers over all primes is a positive integer known as the Tamagawa product.
- Review status: reviewed
- Last edited by Andrew Sutherland on 2020-10-24 16:30:43
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- 2020-10-24 16:30:43 by Andrew Sutherland (Reviewed)
- 2020-01-03 22:19:49 by Andrew Sutherland (Reviewed)
- 2018-05-24 17:00:16 by John Cremona (Reviewed)