Cremona's table of elliptic curves

Curve 91840bi1

91840 = 26 · 5 · 7 · 41



Data for elliptic curve 91840bi1

Field Data Notes
Atkin-Lehner 2- 5- 7+ 41+ Signs for the Atkin-Lehner involutions
Class 91840bi Isogeny class
Conductor 91840 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 73728 Modular degree for the optimal curve
Δ 5143040000 = 212 · 54 · 72 · 41 Discriminant
Eigenvalues 2-  2 5- 7+  2 -4  2 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-2745,-54343] [a1,a2,a3,a4,a6]
Generators [149:1680:1] Generators of the group modulo torsion
j 558661848256/1255625 j-invariant
L 10.380714572649 L(r)(E,1)/r!
Ω 0.65964372199757 Real period
R 1.9671063007733 Regulator
r 1 Rank of the group of rational points
S 0.99999999982589 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 91840bq1 45920a1 Quadratic twists by: -4 8


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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