Cremona's table of elliptic curves

Curve 21462q1

21462 = 2 · 3 · 72 · 73



Data for elliptic curve 21462q1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 73+ Signs for the Atkin-Lehner involutions
Class 21462q Isogeny class
Conductor 21462 Conductor
∏ cp 10 Product of Tamagawa factors cp
deg 18720 Modular degree for the optimal curve
Δ -126904806 = -1 · 2 · 35 · 72 · 732 Discriminant
Eigenvalues 2+ 3- -3 7- -5 -4  4  2 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-1405,20150] [a1,a2,a3,a4,a6]
Generators [34:92:1] Generators of the group modulo torsion
j -6253342106137/2589894 j-invariant
L 2.9711369821919 L(r)(E,1)/r!
Ω 1.824168421986 Real period
R 0.16287624247751 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 64386bx1 21462b1 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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