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Unramified extensions of quadratic fields

โœ Scribed by Wei Li; Dong Yang; Xianke Zhang


Book ID
113855672
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
105 KB
Volume
18
Category
Article
ISSN
1002-0071

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Unramified Quadratic Extensions of Real
โœ A Srivastav; S Venkataraman ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 320 KB

Let K=Q(-m) be a real quadratic number field. In this article, we find a necessary and sufficient condition for K to admit an unramified quadratic extension with a normal integral basis distinct from K(-&1), provided that the prime 2 splits neither in Kร‚Q nor in Q(-&m)ร‚Q, in terms of a congruence sa