Cremona's table of elliptic curves

Curve 21630bh1

21630 = 2 · 3 · 5 · 7 · 103



Data for elliptic curve 21630bh1

Field Data Notes
Atkin-Lehner 2- 3- 5- 7+ 103- Signs for the Atkin-Lehner involutions
Class 21630bh Isogeny class
Conductor 21630 Conductor
∏ cp 48 Product of Tamagawa factors cp
deg 18432 Modular degree for the optimal curve
Δ 1622250000 = 24 · 32 · 56 · 7 · 103 Discriminant
Eigenvalues 2- 3- 5- 7+  4 -4 -6  6 Hecke eigenvalues for primes up to 20
Equation [1,0,0,-515,4017] [a1,a2,a3,a4,a6]
Generators [4:43:1] Generators of the group modulo torsion
j 15107691357361/1622250000 j-invariant
L 10.151376777885 L(r)(E,1)/r!
Ω 1.4540317277076 Real period
R 0.58179477703519 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 64890o1 108150m1 Quadratic twists by: -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
Back to Tables and computations