Cremona's table of elliptic curves

Curve 91728cx1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728cx1

Field Data Notes
Atkin-Lehner 2- 3+ 7- 13- Signs for the Atkin-Lehner involutions
Class 91728cx Isogeny class
Conductor 91728 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 414720 Modular degree for the optimal curve
Δ -1972889745555456 = -1 · 216 · 39 · 76 · 13 Discriminant
Eigenvalues 2- 3+ -2 7- -4 13-  0 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-22491,-2500470] [a1,a2,a3,a4,a6]
j -132651/208 j-invariant
L 0.73905914749648 L(r)(E,1)/r!
Ω 0.18476477254992 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 11466bo1 91728cw1 1872j1 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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