Geodesic
Note on the Galois module structure of quadratic extensions
Colloquium Mathematicum, Tome 67 (1994) no. 1, pp. 15-19 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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In this note we will determine the associated order of relative extensions of algebraic number fields, which are cyclic of prime order p, assuming that the ground field is linearly disjoint to the pth cyclotomic field, $ℚ^{(p)}$. For quadratic extensions we will furthermore characterize when the ring of integers of the extension field is free over the associated order. All our proofs are quite elementary. As an application, we will determine the Galois module structure of $ℚ^{(n)}/ℚ^{(n)^+}$.
DOI : 10.4064/cm-67-1-15-19

Günter Lettl 1

1 
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Günter Lettl. Note on the Galois module structure of quadratic extensions. Colloquium Mathematicum, Tome 67 (1994) no. 1, pp. 15-19. doi: 10.4064/cm-67-1-15-19

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