Cremona's table of elliptic curves

Curve 18170a1

18170 = 2 · 5 · 23 · 79



Data for elliptic curve 18170a1

Field Data Notes
Atkin-Lehner 2+ 5+ 23- 79- Signs for the Atkin-Lehner involutions
Class 18170a Isogeny class
Conductor 18170 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 5568 Modular degree for the optimal curve
Δ -66865600 = -1 · 26 · 52 · 232 · 79 Discriminant
Eigenvalues 2+  0 5+ -4  0 -2  0 -8 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-20,400] [a1,a2,a3,a4,a6]
Generators [0:20:1] Generators of the group modulo torsion
j -909853209/66865600 j-invariant
L 1.9760976991045 L(r)(E,1)/r!
Ω 1.6136960271302 Real period
R 0.61228932397471 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 90850l1 Quadratic twists by: 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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