Cremona's table of elliptic curves

Curve 91728bb1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728bb1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 13+ Signs for the Atkin-Lehner involutions
Class 91728bb Isogeny class
Conductor 91728 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 1769472 Modular degree for the optimal curve
Δ -3.6096952664766E+19 Discriminant
Eigenvalues 2+ 3- -2 7- -4 13+ -6  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,317814,280717031] [a1,a2,a3,a4,a6]
Generators [-2926:85995:8] Generators of the group modulo torsion
j 2587063175168/26304786963 j-invariant
L 3.8345366551334 L(r)(E,1)/r!
Ω 0.15140748925031 Real period
R 3.1657422278813 Regulator
r 1 Rank of the group of rational points
S 0.99999999907052 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 45864o1 30576d1 13104w1 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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