Cremona's table of elliptic curves

Curve 21175bi1

21175 = 52 · 7 · 112



Data for elliptic curve 21175bi1

Field Data Notes
Atkin-Lehner 5- 7- 11- Signs for the Atkin-Lehner involutions
Class 21175bi Isogeny class
Conductor 21175 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 80640 Modular degree for the optimal curve
Δ -707679050761375 = -1 · 53 · 74 · 119 Discriminant
Eigenvalues  1 -2 5- 7- 11-  2  2  0 Hecke eigenvalues for primes up to 20
Equation [1,0,1,6894,-1260217] [a1,a2,a3,a4,a6]
j 163667323/3195731 j-invariant
L 0.98871577811614 L(r)(E,1)/r!
Ω 0.24717894452903 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 21175bc1 1925i1 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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