Cremona's table of elliptic curves

Curve 21462l1

21462 = 2 · 3 · 72 · 73



Data for elliptic curve 21462l1

Field Data Notes
Atkin-Lehner 2+ 3- 7+ 73- Signs for the Atkin-Lehner involutions
Class 21462l Isogeny class
Conductor 21462 Conductor
∏ cp 36 Product of Tamagawa factors cp
deg 8640 Modular degree for the optimal curve
Δ -511096068 = -1 · 22 · 36 · 74 · 73 Discriminant
Eigenvalues 2+ 3-  0 7+  3  2 -6  2 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-271,2006] [a1,a2,a3,a4,a6]
Generators [-17:50:1] Generators of the group modulo torsion
j -911871625/212868 j-invariant
L 4.8579064920114 L(r)(E,1)/r!
Ω 1.5758406097912 Real period
R 0.77068493822087 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 3 Number of elements in the torsion subgroup
Twists 64386bh1 21462d1 Quadratic twists by: -3 -7


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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