Cremona's table of elliptic curves

Curve 20825h2

20825 = 52 · 72 · 17



Data for elliptic curve 20825h2

Field Data Notes
Atkin-Lehner 5+ 7- 17+ Signs for the Atkin-Lehner involutions
Class 20825h Isogeny class
Conductor 20825 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 1.9024179167215E+21 Discriminant
Eigenvalues -1  0 5+ 7- -2 -6 17+  0 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-4838980,-3517690228] [a1,a2,a3,a4,a6]
j 19873882747503/3017196125 j-invariant
L 0.20565715624156 L(r)(E,1)/r!
Ω 0.10282857812077 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 4165m2 20825q2 Quadratic twists by: 5 -7


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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