Cremona's table of elliptic curves

Curve 315b2

315 = 32 · 5 · 7



Data for elliptic curve 315b2

Field Data Notes
Atkin-Lehner 3- 5+ 7- Signs for the Atkin-Lehner involutions
Class 315b Isogeny class
Conductor 315 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 8037225 = 38 · 52 · 72 Discriminant
Eigenvalues -1 3- 5+ 7-  0 -6 -2 -8 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-68,182] [a1,a2,a3,a4,a6]
Generators [-2:18:1] Generators of the group modulo torsion
j 47045881/11025 j-invariant
L 1.1391577592797 L(r)(E,1)/r!
Ω 2.1956280654282 Real period
R 0.51883002281515 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 5040bd2 20160ch2 105a2 1575f2 Quadratic twists by: -4 8 -3 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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