Cremona's table of elliptic curves

Curve 2870a2

2870 = 2 · 5 · 7 · 41



Data for elliptic curve 2870a2

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 41+ Signs for the Atkin-Lehner involutions
Class 2870a Isogeny class
Conductor 2870 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -80721620 = -1 · 22 · 5 · 74 · 412 Discriminant
Eigenvalues 2+  0 5+ 7+  6  0  0 -2 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,65,-399] [a1,a2,a3,a4,a6]
Generators [15:54:1] Generators of the group modulo torsion
j 30109256631/80721620 j-invariant
L 2.2875225596149 L(r)(E,1)/r!
Ω 0.99121396448024 Real period
R 1.1538994816393 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 22960k2 91840m2 25830bh2 14350q2 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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