Galois realizability of groups of order 64

Helen Grundman; Tara Smith

Open Mathematics (2010)

  • Volume: 8, Issue: 5, page 846-854
  • ISSN: 2391-5455

Abstract

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This article examines the realizability of groups of order 64 as Galois groups over arbitrary fields. Specifically, we provide necessary and sufficient conditions for the realizability of 134 of the 200 noncyclic groups of order 64 that are not direct products of smaller groups.

How to cite

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Helen Grundman, and Tara Smith. "Galois realizability of groups of order 64." Open Mathematics 8.5 (2010): 846-854. <http://eudml.org/doc/269453>.

@article{HelenGrundman2010,
abstract = {This article examines the realizability of groups of order 64 as Galois groups over arbitrary fields. Specifically, we provide necessary and sufficient conditions for the realizability of 134 of the 200 noncyclic groups of order 64 that are not direct products of smaller groups.},
author = {Helen Grundman, Tara Smith},
journal = {Open Mathematics},
keywords = {Inverse Galois theory; 2-groups; inverse Galois theory; obstructions; embedding problem; quaternion algebra},
language = {eng},
number = {5},
pages = {846-854},
title = {Galois realizability of groups of order 64},
url = {http://eudml.org/doc/269453},
volume = {8},
year = {2010},
}

TY - JOUR
AU - Helen Grundman
AU - Tara Smith
TI - Galois realizability of groups of order 64
JO - Open Mathematics
PY - 2010
VL - 8
IS - 5
SP - 846
EP - 854
AB - This article examines the realizability of groups of order 64 as Galois groups over arbitrary fields. Specifically, we provide necessary and sufficient conditions for the realizability of 134 of the 200 noncyclic groups of order 64 that are not direct products of smaller groups.
LA - eng
KW - Inverse Galois theory; 2-groups; inverse Galois theory; obstructions; embedding problem; quaternion algebra
UR - http://eudml.org/doc/269453
ER -

References

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  7. [7] Grundman H.G., Stewart G., Galois realizability of non-split group extensions of C 2 by (C 2)r × (C 4)s × (D4)t, J. Algebra, 2004, 272(2), 425–434 http://dx.doi.org/10.1016/j.jalgebra.2003.09.017 Zbl1043.12004
  8. [8] Hall M., Jr., Senior J.K., The Groups of Order 2n (n ≤ 6), Macmillan, NewYork, 1964 
  9. [9] Ishkhanov V.V., Lur’e B.B., Faddeev D.K., The Embedding Problem in Galois Theory, Translations of Mathematical Monographs, 165, AMS, Providence, 1997 
  10. [10] Ledet A., On 2-groups as Galois groups, Canad. J. Math., 1995, 47(6), 1253–1273 Zbl0849.12006
  11. [11] Michailov I.M., Groups of order 32 as Galois groups, Serdica Math. J., 2007, 33(1), 1–34 Zbl1199.12007
  12. [12] Smith T.L., Extra-special 2-groups of order 32 as Galois groups, Canad. J. Math., 1994, 46(4), 886–896 Zbl0810.12004
  13. [13] Swallow J.R., Thiem F.N., Quadratic corestriction, C 2-embedding problems, and explicit construction, Comm. Algebra, 2002, 30(7), 3227–3258 http://dx.doi.org/10.1081/AGB-120004485 Zbl1019.12001
  14. [14] Witt E., Konstruktion von galoisschen Körpernder Charakteristik p zu vorgegebener Gruppe der Ordnung p f, J. Reine Angew. Math., 1936, 174, 237–245 Zbl0013.19601

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