Abstract
Throughout this paper, E will denote an elliptic curve defined over Q which we suppose given in P2 by an equation
with f of minimal discriminant Δ. If R is any ring with unit, then E(R) denotes the set of solutions of f = 0 in P2(R)={(x, y, z) ∈ R3 : xR + yR + zR = R}/ Rx. (In particular, E(Z)) is the same as the Mordell-Weil group E(Q) and not, as sometimes in the literature, the finite set of integral points in the affine model f(x, y, 1) = 0 of E over Z.) The L-series of E is the Dirichlet series given by
where the product is over all primes, a(p) = p + 1 — E(Z/pZ) (• denotes cardinality) and ε(p) = 1 or 0 depending whether p ∤ Δ or pΔ.
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© 1991 Springer Science+Business Media New York
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Zagier, D. (1991). The Birch-Swinnerton-Dyer Conjecture from a Naive Point of View. In: van der Geer, G., Oort, F., Steenbrink, J. (eds) Arithmetic Algebraic Geometry. Progress in Mathematics, vol 89. Birkhäuser, Boston, MA. https://doi.org/10.1007/978-1-4612-0457-2_18
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DOI: https://doi.org/10.1007/978-1-4612-0457-2_18
Publisher Name: Birkhäuser, Boston, MA
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