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- Mar 30th 2012, 07:10 AM #1

- Joined
- Jan 2010
- Posts
- 23

## Question about ramification

Hi,

let be the splitting field over of a polynomial , where are integral for the prime numbers 2 and 3 and let be irreducible.

Now it is said, that 3 is unramified in .

Please can you explain that to me? I don't understand it.

Bye,

Alexander