Cremona's table of elliptic curves

Curve 21175z2

21175 = 52 · 7 · 112



Data for elliptic curve 21175z2

Field Data Notes
Atkin-Lehner 5- 7+ 11- Signs for the Atkin-Lehner involutions
Class 21175z Isogeny class
Conductor 21175 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 10316021148125 = 54 · 7 · 119 Discriminant
Eigenvalues  0 -2 5- 7+ 11-  1 -3  1 Hecke eigenvalues for primes up to 20
Equation [0,1,1,-215783,38508894] [a1,a2,a3,a4,a6]
Generators [194:1996:1] Generators of the group modulo torsion
j 1003555225600/9317 j-invariant
L 2.2347420201128 L(r)(E,1)/r!
Ω 0.65203216232038 Real period
R 0.85683734225627 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 21175s2 1925k2 Quadratic twists by: 5 -11


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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