Cremona's table of elliptic curves

Curve 10400b2

10400 = 25 · 52 · 13



Data for elliptic curve 10400b2

Field Data Notes
Atkin-Lehner 2+ 5+ 13+ Signs for the Atkin-Lehner involutions
Class 10400b Isogeny class
Conductor 10400 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 40625000000000 = 29 · 514 · 13 Discriminant
Eigenvalues 2+  0 5+ -4  4 13+ -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-8675,-51750] [a1,a2,a3,a4,a6]
Generators [-978:12518:27] Generators of the group modulo torsion
j 9024895368/5078125 j-invariant
L 3.6465718407804 L(r)(E,1)/r!
Ω 0.5323945114017 Real period
R 6.8493791026876 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 10400a3 20800cx3 93600dq3 2080e2 Quadratic twists by: -4 8 -3 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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