Cremona's table of elliptic curves

Curve 91728ct1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728ct1

Field Data Notes
Atkin-Lehner 2- 3+ 7- 13- Signs for the Atkin-Lehner involutions
Class 91728ct Isogeny class
Conductor 91728 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 98304 Modular degree for the optimal curve
Δ 1184004476928 = 212 · 33 · 77 · 13 Discriminant
Eigenvalues 2- 3+  0 7-  0 13- -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-3675,67914] [a1,a2,a3,a4,a6]
Generators [-54:330:1] [-35:392:1] Generators of the group modulo torsion
j 421875/91 j-invariant
L 11.590449233994 L(r)(E,1)/r!
Ω 0.81774361730818 Real period
R 1.771711968871 Regulator
r 2 Rank of the group of rational points
S 0.99999999999751 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 5733b1 91728cs1 13104bj1 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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