Galois realization of central extensions of the symmetric group with kernel a cyclic 2-group
Teresa Crespo
Acta Arithmetica, Tome 69 (1995), p. 183-192 / Harvested from The Polish Digital Mathematics Library
Publié le : 1995-01-01
EUDML-ID : urn:eudml:doc:206745
@article{bwmeta1.element.bwnjournal-article-aav70i2p183bwm,
     author = {Teresa Crespo},
     title = {Galois realization of central extensions of the symmetric group with kernel a cyclic 2-group},
     journal = {Acta Arithmetica},
     volume = {69},
     year = {1995},
     pages = {183-192},
     zbl = {0818.12002},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav70i2p183bwm}
}
Teresa Crespo. Galois realization of central extensions of the symmetric group with kernel a cyclic 2-group. Acta Arithmetica, Tome 69 (1995) pp. 183-192. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav70i2p183bwm/

[000] [1] T. Crespo, Explicit construction of Ãₙ-type fields, J. Algebra 127 (1989), 452-461. | Zbl 0704.11043

[001] [2] T. Crespo, Explicit construction of 2Sₙ Galois extensions, J. Algebra 129 (1990), 312-319. | Zbl 0704.11044

[002] [3] T. Crespo, Explicit solutions to embedding problems associated to orthogonal Galois representations, J. Reine Angew. Math. 409 (1990), 180-189. | Zbl 0696.12020

[003] [4] T. Crespo, C₄-extensions of Sₙ as Galois groups, Math. Scand., to appear.

[004] [5] T. Crespo, Central extensions of the alternating group as Galois groups, Acta Arith. 66(1994), 229-236. | Zbl 0793.12003

[005] [6] A. Fröhlich, Orthogonal representations of Galois groups, Stiefel-Whitney classes and Hasse-Witt invariants, J. Reine Angew. Math. 360 (1985), 84-123. | Zbl 0556.12005

[006] [7] J. Quer, Liftings of projective 2-dimensional representations of Gal(ℚ̅|ℚ) and embedding problems, J. Algebra, to appear. | Zbl 0845.12003

[007] [8] J.-P. Serre, L'invariant de Witt de la forme Tr(x²), Comment. Math. Helv. 59 (1984), 651-676