Cremona's table of elliptic curves

Curve 21525bc1

21525 = 3 · 52 · 7 · 41



Data for elliptic curve 21525bc1

Field Data Notes
Atkin-Lehner 3- 5- 7+ 41- Signs for the Atkin-Lehner involutions
Class 21525bc Isogeny class
Conductor 21525 Conductor
∏ cp 30 Product of Tamagawa factors cp
deg 13920 Modular degree for the optimal curve
Δ -305116875 = -1 · 35 · 54 · 72 · 41 Discriminant
Eigenvalues -2 3- 5- 7+ -5 -2 -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,1,1,-308,2144] [a1,a2,a3,a4,a6]
Generators [-17:52:1] [13:-23:1] Generators of the group modulo torsion
j -5186867200/488187 j-invariant
L 4.5880479246838 L(r)(E,1)/r!
Ω 1.6840650637447 Real period
R 0.090812958546132 Regulator
r 2 Rank of the group of rational points
S 0.99999999999971 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 64575bl1 21525m1 Quadratic twists by: -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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