Cremona's table of elliptic curves

Curve 19404a1

19404 = 22 · 32 · 72 · 11



Data for elliptic curve 19404a1

Field Data Notes
Atkin-Lehner 2- 3+ 7- 11+ Signs for the Atkin-Lehner involutions
Class 19404a Isogeny class
Conductor 19404 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 3840 Modular degree for the optimal curve
Δ -1629936 = -1 · 24 · 33 · 73 · 11 Discriminant
Eigenvalues 2- 3+  1 7- 11+  1  0 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-357,2597] [a1,a2,a3,a4,a6]
Generators [7:21:1] Generators of the group modulo torsion
j -33958656/11 j-invariant
L 5.4866850891614 L(r)(E,1)/r!
Ω 2.6120530335353 Real period
R 0.17504382627764 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 77616dr1 19404f1 19404b1 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.

Part of Computational Number Theory
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