Cremona's table of elliptic curves

17680 = 2⁴ · 5 · 13 · 17

Field	Data	Notes
Atkin-Lehner	2+ 5+ 13- 17+	Signs for the Atkin-Lehner involutions
Class	17680b	Isogeny class
Conductor	17680	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	4808960000 = 211 · 54 · 13 · 172	Discriminant
Eigenvalues	2+ -2 5+ -2 -4 13- 17+ -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-696,6004]	[a1,a2,a3,a4,a6]
Generators	[-30:28:1] [-6:100:1]	Generators of the group modulo torsion
j	18232461938/2348125	j-invariant
L	4.6933189923494	L(r)(E,1)/r!
Ω	1.3205409431123	Real period
R	0.88852205166928	Regulator
r	2	Rank of the group of rational points
S	0.99999999999993	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	8840a2 70720bi2 88400f2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 17680b2

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
+	-2	+	-2	-4	-	+	-4	0	4	-6	2	-8	-8	8	6	-12	4	-4	2	-16	4	-12	-10	-8

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Quadratic twists for elliptic curve 17680b2

-4	8	5
8840a2	70720bi2	88400f2

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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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