Cremona's table of elliptic curves

Curve 30820b1

30820 = 22 · 5 · 23 · 67



Data for elliptic curve 30820b1

Field Data Notes
Atkin-Lehner 2- 5+ 23+ 67- Signs for the Atkin-Lehner involutions
Class 30820b Isogeny class
Conductor 30820 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 21216 Modular degree for the optimal curve
Δ -1499947760 = -1 · 24 · 5 · 234 · 67 Discriminant
Eigenvalues 2-  1 5+  5 -2 -6  0  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-1626,-25855] [a1,a2,a3,a4,a6]
Generators [646:16399:1] Generators of the group modulo torsion
j -29732567920384/93746735 j-invariant
L 6.5599336471543 L(r)(E,1)/r!
Ω 0.37582457227886 Real period
R 2.9091292990668 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 123280f1 Quadratic twists by: -4


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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