Cremona's table of elliptic curves

Curve 21175a2

21175 = 52 · 7 · 112



Data for elliptic curve 21175a2

Field Data Notes
Atkin-Lehner 5+ 7+ 11+ Signs for the Atkin-Lehner involutions
Class 21175a Isogeny class
Conductor 21175 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 25476171875 = 58 · 72 · 113 Discriminant
Eigenvalues  1  0 5+ 7+ 11+ -4  0 -4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-1667,-24634] [a1,a2,a3,a4,a6]
Generators [-26:38:1] Generators of the group modulo torsion
j 24642171/1225 j-invariant
L 4.7417690860802 L(r)(E,1)/r!
Ω 0.74944819014341 Real period
R 1.5817534648969 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 4235f2 21175l2 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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