Cremona's table of elliptic curves

Curve 21112f2

21112 = 23 · 7 · 13 · 29



Data for elliptic curve 21112f2

Field Data Notes
Atkin-Lehner 2- 7- 13- 29- Signs for the Atkin-Lehner involutions
Class 21112f Isogeny class
Conductor 21112 Conductor
∏ cp 24 Product of Tamagawa factors cp
Δ -13857004086016 = -1 · 28 · 7 · 13 · 296 Discriminant
Eigenvalues 2-  2 -2 7-  2 13-  0 -8 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-7644,316004] [a1,a2,a3,a4,a6]
Generators [158:1740:1] Generators of the group modulo torsion
j -192975687043792/54128922211 j-invariant
L 6.6942276545237 L(r)(E,1)/r!
Ω 0.66943836232053 Real period
R 1.6666278359367 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 42224b2 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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