Cremona's table of elliptic curves

19530 = 2 · 3² · 5 · 7 · 31

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 7- 31-	Signs for the Atkin-Lehner involutions
Class	19530bu	Isogeny class
Conductor	19530	Conductor
∏ cp	162	Product of Tamagawa factors cp
Δ	-57209473359360 = -1 · 29 · 37 · 5 · 73 · 313	Discriminant
Eigenvalues	2- 3- 5+ 7-  0 -1 -3 -7	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,3937,-352249]	[a1,a2,a3,a4,a6]
Generators	[63:346:1]	Generators of the group modulo torsion
j	9259677062999/78476643840	j-invariant
L	7.3119472469956	L(r)(E,1)/r!
Ω	0.31060715773058	Real period
R	1.3078233433761	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	3	Number of elements in the torsion subgroup
Twists	6510j2 97650w2	Quadratic twists by: -3 5

Hecke Eigenvalues for elliptic curve 19530bu2

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
-	-	+	-	0	-1	-3	-7	0	6	-	-4	9	-10	12	9	-6	8	5	-6	-4	-10	0	0	-13

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Quadratic twists for elliptic curve 19530bu2

-3	5
6510j2	97650w2

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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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