Cremona's table of elliptic curves

Curve 21175r1

21175 = 52 · 7 · 112



Data for elliptic curve 21175r1

Field Data Notes
Atkin-Lehner 5+ 7- 11- Signs for the Atkin-Lehner involutions
Class 21175r Isogeny class
Conductor 21175 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 21600 Modular degree for the optimal curve
Δ -968822421875 = -1 · 57 · 7 · 116 Discriminant
Eigenvalues  0 -1 5+ 7- 11-  5  3 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-4033,-108032] [a1,a2,a3,a4,a6]
Generators [112:912:1] Generators of the group modulo torsion
j -262144/35 j-invariant
L 3.5598157432273 L(r)(E,1)/r!
Ω 0.29732810953463 Real period
R 2.9931712046996 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 4235b1 175b1 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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