Cremona's table of elliptic curves

Curve 21216p2

21216 = 25 · 3 · 13 · 17



Data for elliptic curve 21216p2

Field Data Notes
Atkin-Lehner 2- 3- 13- 17- Signs for the Atkin-Lehner involutions
Class 21216p Isogeny class
Conductor 21216 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ -17898835968 = -1 · 212 · 32 · 134 · 17 Discriminant
Eigenvalues 2- 3- -2  0  4 13- 17-  4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,591,-3105] [a1,a2,a3,a4,a6]
Generators [18:117:1] Generators of the group modulo torsion
j 5564051648/4369833 j-invariant
L 6.0013089051787 L(r)(E,1)/r!
Ω 0.68323596736668 Real period
R 1.0979568538211 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 21216l2 42432bm1 63648l2 Quadratic twists by: -4 8 -3


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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