Cremona's table of elliptic curves

1995 = 3 · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	3+ 5- 7- 19-	Signs for the Atkin-Lehner involutions
Class	1995d	Isogeny class
Conductor	1995	Conductor
∏ cp	384	Product of Tamagawa factors cp
Δ	8557487595112640625 = 36 · 56 · 78 · 194	Discriminant
Eigenvalues	-1 3+ 5- 7-  4  6  2 19-	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-526225,41957942]	[a1,a2,a3,a4,a6]
j	16115292555782480096401/8557487595112640625	j-invariant
L	1.2208243884539	L(r)(E,1)/r!
Ω	0.20347073140899	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	8	Number of elements in the torsion subgroup
Twists	31920bu2 127680cm2 5985n2 9975l2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1995d2

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	6	2	-	0	6	0	-2	2	-4	-8	6	-4	-2	-4	-8	10	0	12	-14	10

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Quadratic twists for elliptic curve 1995d2

-4	8	-3	5	-7	-19
31920bu2	127680cm2	5985n2	9975l2	13965o2	37905w2

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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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