Cremona's table of elliptic curves

Curve 91504b2

91504 = 24 · 7 · 19 · 43



Data for elliptic curve 91504b2

Field Data Notes
Atkin-Lehner 2+ 7- 19- 43+ Signs for the Atkin-Lehner involutions
Class 91504b Isogeny class
Conductor 91504 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -440683264 = -1 · 28 · 72 · 19 · 432 Discriminant
Eigenvalues 2+  0  2 7- -4  0  6 19- Hecke eigenvalues for primes up to 20
Equation [0,0,0,1,-1010] [a1,a2,a3,a4,a6]
Generators [577:13860:1] Generators of the group modulo torsion
j 432/1721419 j-invariant
L 7.218359870702 L(r)(E,1)/r!
Ω 0.76751489428561 Real period
R 4.702423317159 Regulator
r 1 Rank of the group of rational points
S 1.0000000000542 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 45752a2 Quadratic twists by: -4


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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