Cremona's table of elliptic curves

Curve 21462d1

21462 = 2 · 3 · 72 · 73



Data for elliptic curve 21462d1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 73+ Signs for the Atkin-Lehner involutions
Class 21462d Isogeny class
Conductor 21462 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 60480 Modular degree for the optimal curve
Δ -60129941304132 = -1 · 22 · 36 · 710 · 73 Discriminant
Eigenvalues 2+ 3+  0 7-  3 -2  6 -2 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-13255,-701399] [a1,a2,a3,a4,a6]
j -911871625/212868 j-invariant
L 0.87899733537264 L(r)(E,1)/r!
Ω 0.21974933384316 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 64386bp1 21462l1 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
Back to Tables and computations