Cremona's table of elliptic curves

Curve 91728f1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728f1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 13- Signs for the Atkin-Lehner involutions
Class 91728f Isogeny class
Conductor 91728 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 73728 Modular degree for the optimal curve
Δ -420876591408 = -1 · 24 · 33 · 78 · 132 Discriminant
Eigenvalues 2+ 3+  0 7-  0 13- -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-4410,116963] [a1,a2,a3,a4,a6]
Generators [7:294:1] Generators of the group modulo torsion
j -186624000/8281 j-invariant
L 5.9803718195005 L(r)(E,1)/r!
Ω 0.93511986401854 Real period
R 1.5988249328969 Regulator
r 1 Rank of the group of rational points
S 1.0000000006923 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 45864ba1 91728e1 13104a1 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
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