Cremona's table of elliptic curves

Curve 89908b1

89908 = 22 · 7 · 132 · 19



Data for elliptic curve 89908b1

Field Data Notes
Atkin-Lehner 2- 7+ 13+ 19+ Signs for the Atkin-Lehner involutions
Class 89908b Isogeny class
Conductor 89908 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 64800 Modular degree for the optimal curve
Δ -71900146864 = -1 · 24 · 72 · 136 · 19 Discriminant
Eigenvalues 2-  0  2 7+ -4 13+  6 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,676,10985] [a1,a2,a3,a4,a6]
j 442368/931 j-invariant
L 2.272456833913 L(r)(E,1)/r!
Ω 0.75748561130423 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 532a1 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