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Sur le 2-groupe de classes d'idéaux de ℚ(√d,i)

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Abstract

Let ℕ,i=√−1,k=ℚ(√d,i) andC 2 the 2-part of the class group ofk. Our goal is to determine alld such thatC 2⋍ℤ/2ℤ×ℤ/2ℤ.

Soientd∈ℕ,i=√−1,k=ℚ(√d,i), etC 2 la 2-partie du groupe de classes dek. On s'intéresse à déterminer tous lesd tel queC 2⋍ℤ/2ℤ×ℤ/2ℤ.

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References

  • [Az-93] Azizi A.,Capitulation des 2-classes d'idéaux de Q(√d, i). Thèse de Doctorat. Université Laval, Québec Canada. 1993.

    Google Scholar 

  • [B-C-69] Barruccand P., Cohn H.,Note on primes of type x 2+32y 2,class number, and residuacity. J. reine angew. Math.238 (1969), 67–70.

    MathSciNet  Google Scholar 

  • [Br-72] Brown E.,Binary Quadratic Forms of Determinant—pq. J. Number Theory4, (1972), 408–410.

    Article  MATH  MathSciNet  Google Scholar 

  • [Fr-79] Frei G.,On the Development of the Genus of Quadratic Forms. Ann. Sc. Math. Québec, vol.3, (1979), 5–62.

    MATH  MathSciNet  Google Scholar 

  • [Ha-52] Hasse H.,Uber die Klassenzahl abelscher Zahlkörper. Berlin (1952).

  • [Ha-70] Hasse H.,Zahlbericht.3. Auflage. Physica—Verlag. Würzburg—Wien. (1970).

    Google Scholar 

  • [Hi-86] Hikita M.,On the Congruence of the Class Numbers of Quadratic Fields whose Discriminant are Divisible by 8. J. Number Theory23, (1986), 86–101.

    Article  MATH  MathSciNet  Google Scholar 

  • [Hu] Hurrelbrink J.,On the Norm of the Fundamental Unit. At Baton Rouge, Louisiana. Preprint 1992.

  • [Ish-76] Ishida M.,The Genus Fields of Algebraic Number Fields. Lecture Notes in Mathematics 555, Springer-Verlag (1976).

  • [Ka-73] Kaplan P.,Divisibilité par 8 du nombre de classes des corps quadratiques dont le 2-groupe des classes est cyclique et réciprocité biquadratique. J. Math. Soc. Japan. vol25, No 4, (1973).

  • [Ka-76] Kaplan P.,Sur le 2-groupe des classes d'idéaux des corps quadratiques. J. reine angew. Math.283/284, (1976), 313–363.

    Google Scholar 

  • [Kub-53] Kubota T.,Über die Beziehung der Klassenzahlen der Unterkörper des bizyklischen Zahlkörpers. Nagoya Math. J.,6 (1953), 119–127.

    MATH  MathSciNet  Google Scholar 

  • [Kub-56] Kubota T.,Über den bizyklischen biquadratischen Zahlkörper. Nagoya Math. J,10 (1956), 65–85.

    MATH  MathSciNet  Google Scholar 

  • [Kur-43] Kuroda S.,Über den Dirichletschen Zahlkörper. J. Fac. Sci. Imp. Univ. Tokyo, Sec. I, vol. IV, part5, (1943), 383–406.

    MathSciNet  Google Scholar 

  • [Or-77] Oriat B.,Relation entre les 2-groupes des classes d'idéaux de K(√d)et K (√−d). Soc. Math. France, Astérisque41–42 (1977), 247–249.

    MathSciNet  Google Scholar 

  • [Se-79] Serre J. P.,Local Fields, Springer-Verlag, New-York-London, 1979.

    MATH  Google Scholar 

  • [Ta-37] Taussky O.,A Remark on the Class Field Tower. J. London Math. Soc.12 (1937), 82–85.

    Article  MATH  Google Scholar 

  • [T-T-91] Taya H., Terai N.,Determination of Certain Real Quadratic Fields with Class Number Two. Proc. Japan. Acad. 67 Serie A 1991, 139–144.

    Article  MATH  MathSciNet  Google Scholar 

  • [T-W-80] Thomas A.D., Wood G.V.,Group Tables. (Shiva Publishing Limited) 1980.

  • [Xi-89] Xianke Z.,Congruences Modulo 8 for the Class Numbers of General Quadratic Fields Q(√m) andQ(√−m). J. Number Theory32, (1989), 332–338.

    Article  MATH  MathSciNet  Google Scholar 

  • [Wa-66] Wada H.,On the Class Number and the Unit Group of Certain Algebraic Number Fields. Tokyo U., Fac. of Sc. J., Serie I,13 (1966), 201–209.

    MathSciNet  MATH  Google Scholar 

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Azizi, A. Sur le 2-groupe de classes d'idéaux de ℚ(√d,i). Rend. Circ. Mat. Palermo 48, 71–92 (1999). https://doi.org/10.1007/BF02844380

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  • DOI: https://doi.org/10.1007/BF02844380

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