Cremona's table of elliptic curves

Curve 28730be1

28730 = 2 · 5 · 132 · 17



Data for elliptic curve 28730be1

Field Data Notes
Atkin-Lehner 2- 5- 13+ 17- Signs for the Atkin-Lehner involutions
Class 28730be Isogeny class
Conductor 28730 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 44880 Modular degree for the optimal curve
Δ -820557530 = -1 · 2 · 5 · 136 · 17 Discriminant
Eigenvalues 2-  3 5- -2  4 13+ 17- -3 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-1722,-27101] [a1,a2,a3,a4,a6]
j -116930169/170 j-invariant
L 9.2636713002519 L(r)(E,1)/r!
Ω 0.37054685201005 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 25 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 170e1 Quadratic twists by: 13


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