Cremona's table of elliptic curves

Curve 85557b1

85557 = 3 · 192 · 79



Data for elliptic curve 85557b1

Field Data Notes
Atkin-Lehner 3+ 19- 79+ Signs for the Atkin-Lehner involutions
Class 85557b Isogeny class
Conductor 85557 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 115200 Modular degree for the optimal curve
Δ -635542806429 = -1 · 32 · 197 · 79 Discriminant
Eigenvalues  1 3+  3  0  0  2 -2 19- Hecke eigenvalues for primes up to 20
Equation [1,1,0,-6866,219477] [a1,a2,a3,a4,a6]
j -761048497/13509 j-invariant
L 3.6528991249349 L(r)(E,1)/r!
Ω 0.91322478584806 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 4503d1 Quadratic twists by: -19


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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