Cremona's table of elliptic curves

Curve 28224dk2

28224 = 26 · 32 · 72



Data for elliptic curve 28224dk2

Field Data Notes
Atkin-Lehner 2- 3+ 7- Signs for the Atkin-Lehner involutions
Class 28224dk Isogeny class
Conductor 28224 Conductor
∏ cp 2 Product of Tamagawa factors cp
Δ -355837460868288 = -1 · 26 · 39 · 710 Discriminant
Eigenvalues 2- 3+  0 7-  0 -7  0  7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,0,-907578] [a1,a2,a3,a4,a6]
Generators [671655:49233771:125] Generators of the group modulo torsion
j 0 j-invariant
L 5.0209701531014 L(r)(E,1)/r!
Ω 0.24682229589023 Real period
R 10.171224878595 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 28224k2 7056bh2 28224dk1 28224cx2 Quadratic twists by: -4 8 -3 -7


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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