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Results tagged with number-fields
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user 153482
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Relative degree of a prime over a number field (notation from Algebraic Number Fields from G... [closed]
I´m working with "Algebraic Number Fields" from Gerald J. Janusz (1. edition from 1973) and I have a question about his notation.
In chapter IV proposition 4.5 he states if K is an algebraic number f …
- 13
1
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0
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Computing the kernel of some Artin-Map
let $K = \mathbb{Q}(\sqrt{-5})$ and $L = K(i)$. $\mathcal{O}_K$ is the ring of integers of K.
I would like to show that the kernel of the Artin-Map $\phi_{L/K}: I_K \rightarrow Gal(L/K)$ is $P_K$, wh …
- 13