Singular numbers and Stickelberger relation

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dc.creatorQueme, Roland
dc.date2006-05-06
dc.date2006-07-30
dc.date.accessioned2026-07-07T07:13:58Z
dc.date.available2026-07-07T07:13:58Z
dc.descriptionLet p be an odd prime. Let K_p = Q(zeta) be the p-cyclotomic field. Let pi be the prime ideal of K_p lying over p. Let G be the Galois group of K_p. Let v be a primitive root mod p. Let sigma be a Q-isomorphism of K_p. Let P(sigma) = sigma^{p-2}v^{-(p-2)}+ ... + sigma v^{-1} +1 in Z[G], where v^n is understood (mod p). We apply Stickelberger relation to odd prime numbers q different of p and to some singular integers A of K_p connected with the p-class group C_p of K_p and prove the pi-adic congruences: 1) pi^{2p-1} | A^{P(σ)} if q = 1 (mod p), 2) pi^{2p-1} || A^{P(σ)} if q = 1 (mod p) and p^{(q-1)/p} = 1 (mod q). 3) pi^{2p} | A^{P(σ)} if q not = 1 (mod p). These results allow us to connect the structure of the p-class group C_p with pi-adic expression of singular numbers A and with solutions of some explicit congruences mod p in Z[X]. The last secion applies Stickelberger relation to describe the structure of the complete class group of K_p.
dc.descriptionSome congruences for class number of quadratic fields and biquadratic fields contained in cyclotomic fields are derived of Stickelberger relation in section 7 p. 28
dc.identifierhttps://arxiv.org/abs/math/0605167
dc.identifierhttp://arxiv.org/abs/math/0605167
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112684
dc.subjectNumber Theory
dc.subject11R18; 11R29
dc.titleSingular numbers and Stickelberger relation
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