Cremona's table of elliptic curves

Curve 91728ci1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728ci1

Field Data Notes
Atkin-Lehner 2- 3+ 7- 13+ Signs for the Atkin-Lehner involutions
Class 91728ci Isogeny class
Conductor 91728 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 1612800 Modular degree for the optimal curve
Δ -2.855140600586E+19 Discriminant
Eigenvalues 2- 3+  1 7- -1 13+ -2  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2369787,1427485738] [a1,a2,a3,a4,a6]
Generators [1709:48672:1] Generators of the group modulo torsion
j -47113735347/913952 j-invariant
L 6.7802899301455 L(r)(E,1)/r!
Ω 0.21016234207498 Real period
R 2.0163846509945 Regulator
r 1 Rank of the group of rational points
S 0.99999999966266 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 11466bk1 91728ck1 91728cf1 Quadratic twists by: -4 -3 -7


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