Cremona's table of elliptic curves

Curve 21462c1

21462 = 2 · 3 · 72 · 73



Data for elliptic curve 21462c1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 73+ Signs for the Atkin-Lehner involutions
Class 21462c Isogeny class
Conductor 21462 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 7776 Modular degree for the optimal curve
Δ 140812182 = 2 · 39 · 72 · 73 Discriminant
Eigenvalues 2+ 3+  0 7-  0  1 -3  7 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-165,-657] [a1,a2,a3,a4,a6]
j 10234947625/2873718 j-invariant
L 1.3593218237217 L(r)(E,1)/r!
Ω 1.3593218237216 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 64386bn1 21462k1 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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