Cremona's table of elliptic curves

Curve 30784a2

30784 = 26 · 13 · 37



Data for elliptic curve 30784a2

Field Data Notes
Atkin-Lehner 2+ 13+ 37+ Signs for the Atkin-Lehner involutions
Class 30784a Isogeny class
Conductor 30784 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -242599591936 = -1 · 220 · 132 · 372 Discriminant
Eigenvalues 2+  0 -2 -2 -6 13+  2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,724,-22480] [a1,a2,a3,a4,a6]
Generators [22:64:1] Generators of the group modulo torsion
j 160103007/925444 j-invariant
L 2.7576472071792 L(r)(E,1)/r!
Ω 0.49496403194641 Real period
R 1.3928523231955 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 30784j2 962a2 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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