Cremona's table of elliptic curves

Curve 87840bg1

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840bg1

Field Data Notes
Atkin-Lehner 2- 3- 5+ 61+ Signs for the Atkin-Lehner involutions
Class 87840bg Isogeny class
Conductor 87840 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 2027520 Modular degree for the optimal curve
Δ -8511584764202496000 = -1 · 212 · 39 · 53 · 615 Discriminant
Eigenvalues 2- 3- 5+ -5  0  2  4  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,466872,68019248] [a1,a2,a3,a4,a6]
Generators [2396:122236:1] Generators of the group modulo torsion
j 3769031102810624/2850512515875 j-invariant
L 4.0989973964687 L(r)(E,1)/r!
Ω 0.14863684000051 Real period
R 6.89431603653 Regulator
r 1 Rank of the group of rational points
S 0.999999999495 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87840l1 29280i1 Quadratic twists by: -4 -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
Back to Tables and computations