Cremona's table of elliptic curves

Curve 81400q1

81400 = 23 · 52 · 11 · 37



Data for elliptic curve 81400q1

Field Data Notes
Atkin-Lehner 2- 5+ 11- 37- Signs for the Atkin-Lehner involutions
Class 81400q Isogeny class
Conductor 81400 Conductor
∏ cp 64 Product of Tamagawa factors cp
deg 313344 Modular degree for the optimal curve
Δ 270858500000000 = 28 · 59 · 114 · 37 Discriminant
Eigenvalues 2-  0 5+ -4 11- -2  2  8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-42575,3287250] [a1,a2,a3,a4,a6]
j 2133672160464/67714625 j-invariant
L 2.190793546409 L(r)(E,1)/r!
Ω 0.54769836699954 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 16280b1 Quadratic twists by: 5


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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