Cremona's table of elliptic curves

Curve 15624a1

15624 = 23 · 32 · 7 · 31



Data for elliptic curve 15624a1

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ 31+ Signs for the Atkin-Lehner involutions
Class 15624a Isogeny class
Conductor 15624 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 3584 Modular degree for the optimal curve
Δ -20342448 = -1 · 24 · 33 · 72 · 312 Discriminant
Eigenvalues 2+ 3+ -4 7+ -4 -2 -2  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,18,-215] [a1,a2,a3,a4,a6]
Generators [8:21:1] Generators of the group modulo torsion
j 1492992/47089 j-invariant
L 2.6969138283115 L(r)(E,1)/r!
Ω 1.041662397862 Real period
R 0.64726197130832 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 31248h1 124992i1 15624p1 109368h1 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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