Cremona's table of elliptic curves

Curve 28638j2

28638 = 2 · 32 · 37 · 43



Data for elliptic curve 28638j2

Field Data Notes
Atkin-Lehner 2- 3+ 37- 43- Signs for the Atkin-Lehner involutions
Class 28638j Isogeny class
Conductor 28638 Conductor
∏ cp 128 Product of Tamagawa factors cp
Δ -17461239339670272 = -1 · 28 · 39 · 374 · 432 Discriminant
Eigenvalues 2- 3+  2  0  6  2  8 -8 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,3751,-6357959] [a1,a2,a3,a4,a6]
j 296607516309/887122864384 j-invariant
L 5.7739414673145 L(r)(E,1)/r!
Ω 0.18043567085359 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28638b2 Quadratic twists by: -3


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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