Cremona's table of elliptic curves

Curve 28840d1

28840 = 23 · 5 · 7 · 103



Data for elliptic curve 28840d1

Field Data Notes
Atkin-Lehner 2+ 5- 7- 103+ Signs for the Atkin-Lehner involutions
Class 28840d Isogeny class
Conductor 28840 Conductor
∏ cp 420 Product of Tamagawa factors cp
deg 7022400 Modular degree for the optimal curve
Δ 2.1131848144531E+23 Discriminant
Eigenvalues 2+  0 5- 7- -2 -3  3 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1208954612,16179410813284] [a1,a2,a3,a4,a6]
Generators [-13302:5468750:1] Generators of the group modulo torsion
j 763332469116522491781856336896/825462818145751953125 j-invariant
L 5.2268260188121 L(r)(E,1)/r!
Ω 0.084126419897576 Real period
R 0.14793003041692 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 57680e1 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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