Cremona's table of elliptic curves

Curve 21175be1

21175 = 52 · 7 · 112



Data for elliptic curve 21175be1

Field Data Notes
Atkin-Lehner 5- 7+ 11- Signs for the Atkin-Lehner involutions
Class 21175be Isogeny class
Conductor 21175 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 10800 Modular degree for the optimal curve
Δ -1550115875 = -1 · 53 · 7 · 116 Discriminant
Eigenvalues  2 -1 5- 7+ 11-  1  7  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,202,1473] [a1,a2,a3,a4,a6]
Generators [106:631:8] Generators of the group modulo torsion
j 4096/7 j-invariant
L 7.9117705248534 L(r)(E,1)/r!
Ω 1.0308190093753 Real period
R 3.8376138065439 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 21175bn1 175a1 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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