Cremona's table of elliptic curves

Curve 12915i4

12915 = 32 · 5 · 7 · 41



Data for elliptic curve 12915i4

Field Data Notes
Atkin-Lehner 3- 5+ 7- 41+ Signs for the Atkin-Lehner involutions
Class 12915i Isogeny class
Conductor 12915 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ -28262186086023225 = -1 · 314 · 52 · 78 · 41 Discriminant
Eigenvalues  1 3- 5+ 7- -4 -2  6 -4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,12735,8066250] [a1,a2,a3,a4,a6]
Generators [78:3048:1] Generators of the group modulo torsion
j 313309705912559/38768430845025 j-invariant
L 4.8810353913531 L(r)(E,1)/r!
Ω 0.28729379506031 Real period
R 1.0618562503082 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 4305m4 64575j3 90405bu3 Quadratic twists by: -3 5 -7


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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