Cremona's table of elliptic curves

Curve 21175z1

21175 = 52 · 7 · 112



Data for elliptic curve 21175z1

Field Data Notes
Atkin-Lehner 5- 7+ 11- Signs for the Atkin-Lehner involutions
Class 21175z Isogeny class
Conductor 21175 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 25920 Modular degree for the optimal curve
Δ 4177562283125 = 54 · 73 · 117 Discriminant
Eigenvalues  0 -2 5- 7+ 11-  1 -3  1 Hecke eigenvalues for primes up to 20
Equation [0,1,1,-4033,-8431] [a1,a2,a3,a4,a6]
Generators [-37:302:1] Generators of the group modulo torsion
j 6553600/3773 j-invariant
L 2.2347420201128 L(r)(E,1)/r!
Ω 0.65203216232038 Real period
R 0.28561244741876 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 21175s1 1925k1 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
Back to Tables and computations