Cremona's table of elliptic curves

Curve 21462d2

21462 = 2 · 3 · 72 · 73



Data for elliptic curve 21462d2

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
Δ -63295300189574208 = -1 · 26 · 32 · 710 · 733 Discriminant
Eigenvalues 2+ 3+  0 7-  3 -2  6 -2 Hecke eigenvalues for primes up to 20
Equation [1,1,0,94790,4549588] [a1,a2,a3,a4,a6]
j 333444626375/224073792 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 64386bp2 21462l2 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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