Cremona's table of elliptic curves

23805 = 3² · 5 · 23²

Field	Data	Notes
Atkin-Lehner	3- 5- 23-	Signs for the Atkin-Lehner involutions
Class	23805t	Isogeny class
Conductor	23805	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	1618772446215 = 37 · 5 · 236	Discriminant
Eigenvalues	1 3- 5-  0 -4 -2  2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-380979,90605938]	[a1,a2,a3,a4,a6]
j	56667352321/15	j-invariant
L	1.3489023366859	L(r)(E,1)/r!
Ω	0.67445116834294	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	7935b3 119025be4 45a3	Quadratic twists by: -3 5 -23

Hecke Eigenvalues for elliptic curve 23805t4

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
1	-	-	0	-4	-2	2	-4	-	2	0	10	-10	-4	-8	-10	4	2	-12	8	10	0	12	-6	-2

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Quadratic twists for elliptic curve 23805t4

-3	5	-23
7935b3	119025be4	45a3

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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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