Cremona's table of elliptic curves

Curve 18396a1

18396 = 22 · 32 · 7 · 73



Data for elliptic curve 18396a1

Field Data Notes
Atkin-Lehner 2- 3+ 7+ 73- Signs for the Atkin-Lehner involutions
Class 18396a Isogeny class
Conductor 18396 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 4992 Modular degree for the optimal curve
Δ -112804272 = -1 · 24 · 33 · 72 · 732 Discriminant
Eigenvalues 2- 3+  2 7+  6 -2 -2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-24,513] [a1,a2,a3,a4,a6]
Generators [-6:21:1] Generators of the group modulo torsion
j -3538944/261121 j-invariant
L 6.0382278185119 L(r)(E,1)/r!
Ω 1.5448046982186 Real period
R 0.65145536147438 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 73584q1 18396b1 128772b1 Quadratic twists by: -4 -3 -7


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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