Available in electronic format
Available in print format
Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

On the number of certain Galois extensions of local fields

Author(s): Da-sheng Wei; Chun-gang Ji
Journal: Proc. Amer. Math. Soc. 135 (2007), 3041-3047.
MSC (2000): Primary 11S15, 11S20
Posted: May 10, 2007
Retrieve article in: PDF DVI PostScript

Abstract | References | Similar articles | Additional information

Abstract: In this paper, we will calculate the number of Galois extensions of local fields with Galois group $ A_n$ or $ S_n$.


References:

1.
M. Krasner, Nombre des extensions d'un degr $ \acute{\text{e}}$ donn $ \acute{\text{e}}$ d'un corps $ p$-adique, les Tendances G $ \acute{\text{e}}$om $ \acute{\text{e}}$triques en alg $ \acute{\text{e}}$bre et Th $ \acute{\text{e}}$orie des Nombres, ED. CNRS, Paris, 1966, 143-169. MR 0225756 (37:1349)

2.
S. Lang, Algebraic Number Theory, Second edition. GTM, 110. Springer-Verlag, New York, 1994. MR 1282723 (95f:11085)

3.
S. Pauli and X. F. Roblot, On the computation of all extensions of a $ p$-adic field of a given degree, Math. Comp. 70 (2001), no. 236, 1641-1659. MR 1836924 (2002e:11166)

4.
I. R. $ \check{\text{S}}$afarevi $ \check{\text{c}}$, On $ p$-extensions, Mat. Sb. 20(62)(1947), 351-363; English transl., Amer. Math. Soc. Transl. Ser. 2 4 (1956), 59-72. MR 0020546 (8:560e)

5.
J. -P. Serre, Corps Locaux, Hermann, Paris, 1963. MR 0354618 (50:7096)

6.
J. -P. Serre, Une ``formule de masse" pour les extensions totalement ramifi $ \acute{\text{e}}$es de degr $ \acute{\text{e}}$ donn $ \acute{\text{e}}$ d'un corps local, C. R. Acad. Sci. Pairs S $ \acute{\text{e}}$r. A-B 286 (1978), A1031-A1036. MR 500361 (80a:12018)

7.
M. Yamagishi, On the number of Galois $ p$-extensions of a local field, Proc. Amer. Math. Soc. 123 (1995), 2373-2380. MR 1264832 (95j:11109)


Similar Articles:

Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 11S15, 11S20

Retrieve articles in all Journals with MSC (2000): 11S15, 11S20


Additional Information:

Da-sheng Wei
Affiliation: Department of Mathematics, the University of Science and Technology of China, Hefei, People's Republic of China 230026
Email: dshwei@ustc.edu

Chun-gang Ji
Affiliation: Department of Mathematics, Nanjing Normal University, Nanjing, People's Republic of China 210097
Email: cgji@njnu.edu.cn

DOI: 10.1090/S0002-9939-07-08905-8
PII: S 0002-9939(07)08905-8
Keywords: Local fields, Galois closure, ramified extensions
Received by editor(s): June 13, 2006
Posted: May 10, 2007
Additional Notes: This work was partially supported by grants \#10171046 and \#10201013 from NNSF of China and Jiangsu planned projects for postdoctoral research funds
Communicated by: Ken Ono
Copyright of article: Copyright 2007, American Mathematical Society


  AMS Website Logo Small Comments: webmaster@ams.org
© Copyright 2008, American Mathematical Society
Privacy Statement
Search the AMSPowered by Google