Cremona's table of elliptic curves

Curve 21350j1

21350 = 2 · 52 · 7 · 61



Data for elliptic curve 21350j1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- 61- Signs for the Atkin-Lehner involutions
Class 21350j Isogeny class
Conductor 21350 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 107520 Modular degree for the optimal curve
Δ 174899200000000 = 220 · 58 · 7 · 61 Discriminant
Eigenvalues 2+ -1 5+ 7- -5 -6 -3  3 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-17650,-647500] [a1,a2,a3,a4,a6]
Generators [-76:550:1] Generators of the group modulo torsion
j 38920307374369/11193548800 j-invariant
L 2.2885739247375 L(r)(E,1)/r!
Ω 0.42328608182922 Real period
R 1.3516709047268 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 4270f1 Quadratic twists by: 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
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