Cremona's table of elliptic curves

Curve 21315w1

21315 = 3 · 5 · 72 · 29



Data for elliptic curve 21315w1

Field Data Notes
Atkin-Lehner 3- 5- 7- 29- Signs for the Atkin-Lehner involutions
Class 21315w Isogeny class
Conductor 21315 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 12288 Modular degree for the optimal curve
Δ 1791206025 = 3 · 52 · 77 · 29 Discriminant
Eigenvalues -1 3- 5- 7-  0 -4  8  4 Hecke eigenvalues for primes up to 20
Equation [1,0,0,-540,-4425] [a1,a2,a3,a4,a6]
Generators [71:527:1] Generators of the group modulo torsion
j 148035889/15225 j-invariant
L 4.4202935017566 L(r)(E,1)/r!
Ω 0.9969438286495 Real period
R 4.433844089034 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 63945j1 106575n1 3045c1 Quadratic twists by: -3 5 -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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