Cremona's table of elliptic curves

1395 = 3² · 5 · 31

Field	Data	Notes
Atkin-Lehner	3- 5+ 31+	Signs for the Atkin-Lehner involutions
Class	1395a	Isogeny class
Conductor	1395	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	-10098702135 = -1 · 37 · 5 · 314	Discriminant
Eigenvalues	1 3- 5+ -4  4  2  6 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,540,-405]	[a1,a2,a3,a4,a6]
j	23862997439/13852815	j-invariant
L	1.5269287166623	L(r)(E,1)/r!
Ω	0.76346435833117	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	22320bt3 89280cn3 465b4 6975g4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1395a4

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

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Quadratic twists for elliptic curve 1395a4

-4	8	-3	5	-7	-31
22320bt3	89280cn3	465b4	6975g4	68355bh3	43245c3

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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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