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In number theory, more specifically in local class field theory, the ramification groups are a filtration of the Galois group of a local field extension, which gives detailed information on the ramification phenomena of the extension.
Ramification theory of valuations, Ramification groups in lower numbering & Ramification groups in upper numbering
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displaystyle ramification group extension galois groups geq field filtration theory -1 subgroup local numbering upper extensions finite zbl phi isbn
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Ramification group | related to Example: the cyclotomic extension | The | 0.60 | section |
| Ramification group | related to Herbrand's theorem | Herbrand's | 0.60 | section |
| Ramification group | related to Herbrand's theorem | H/H | 0.60 | section |
| Ramification group | related to Herbrand's theorem | G/H | 0.60 | section |
| Ramification group | related to Herbrand's theorem | L/F | 0.60 | section |
| Ramification group | related to Herbrand's theorem | This | 0.60 | section |
| Ramification group | related to Herbrand's theorem | Galois | 0.60 | section |
| Ramification group | related to Herbrand's theorem | The | 0.60 | section |
| Ramification group | related to Herbrand's theorem | Hasse | 0.60 | section |
| Ramification group | related to Herbrand's theorem | Arf | 0.60 | section |
| Ramification group | related to Herbrand's theorem | It | 0.60 | section |
| Ramification group | related to Ramification groups in lower numbering | Ramification | 0.60 | section |
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