Cremona's table of elliptic curves

Curve 27808d1

27808 = 25 · 11 · 79



Data for elliptic curve 27808d1

Field Data Notes
Atkin-Lehner 2+ 11- 79+ Signs for the Atkin-Lehner involutions
Class 27808d Isogeny class
Conductor 27808 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 138240 Modular degree for the optimal curve
Δ 1525038384246784 = 212 · 112 · 795 Discriminant
Eigenvalues 2+  1  1 -1 11- -7  0  8 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-126065,17083487] [a1,a2,a3,a4,a6]
j 54094211363273536/372323824279 j-invariant
L 1.9172377297196 L(r)(E,1)/r!
Ω 0.47930943242992 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 27808b1 55616s1 Quadratic twists by: -4 8


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations