Cremona's table of elliptic curves

Curve 42560r1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560r1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- 19+ Signs for the Atkin-Lehner involutions
Class 42560r Isogeny class
Conductor 42560 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 18560 Modular degree for the optimal curve
Δ -808640 = -1 · 26 · 5 · 7 · 192 Discriminant
Eigenvalues 2+ -3 5+ 7-  3 -3  3 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,-388,-2942] [a1,a2,a3,a4,a6]
j -100934332416/12635 j-invariant
L 1.0756930474189 L(r)(E,1)/r!
Ω 0.53784652369942 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 42560ch1 665e1 Quadratic twists by: -4 8


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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