Cremona's table of elliptic curves

91728 = 2⁴ · 3² · 7² · 13

Field	Data	Notes
Atkin-Lehner	2+ 3- 7- 13+	Signs for the Atkin-Lehner involutions
Class	91728ba	Isogeny class
Conductor	91728	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	1106184894678549504 = 210 · 38 · 78 · 134	Discriminant
Eigenvalues	2+ 3- -2 7- -4 13+  2 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-4173771,3281628490]	[a1,a2,a3,a4,a6]
Generators	[683:27378:1]	Generators of the group modulo torsion
j	91557481657828/12595401	j-invariant
L	4.2087170661331	L(r)(E,1)/r!
Ω	0.26559623251323	Real period
R	1.9807872568146	Regulator
r	1	Rank of the group of rational points
S	1.0000000008486	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	45864n4 30576v4 13104v3	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 91728ba4

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

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Quadratic twists for elliptic curve 91728ba4

-4	-3	-7
45864n4	30576v4	13104v3

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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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