Cremona's table of elliptic curves

Curve 25760c2

25760 = 25 · 5 · 7 · 23



Data for elliptic curve 25760c2

Field Data Notes
Atkin-Lehner 2+ 5- 7+ 23- Signs for the Atkin-Lehner involutions
Class 25760c Isogeny class
Conductor 25760 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -66357760 = -1 · 29 · 5 · 72 · 232 Discriminant
Eigenvalues 2+  2 5- 7+  0  6 -2  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,0,392] [a1,a2,a3,a4,a6]
Generators [579:2672:27] Generators of the group modulo torsion
j -8/129605 j-invariant
L 8.5021775726897 L(r)(E,1)/r!
Ω 1.5559727897283 Real period
R 5.4642199586114 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 25760l2 51520i2 128800bc2 Quadratic twists by: -4 8 5


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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