Cremona's table of elliptic curves

30420 = 2² · 3² · 5 · 13²

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 13+	Signs for the Atkin-Lehner involutions
Class	30420a	Isogeny class
Conductor	30420	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	197612649617760000 = 28 · 39 · 54 · 137	Discriminant
Eigenvalues	2- 3+ 5+  0 -6 13+ -4 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-278343,52319358]	[a1,a2,a3,a4,a6]
Generators	[559:-8450:1] [207:1890:1]	Generators of the group modulo torsion
j	98055792/8125	j-invariant
L	7.7562781200858	L(r)(E,1)/r!
Ω	0.31037424422586	Real period
R	2.082506915544	Regulator
r	2	Rank of the group of rational points
S	1.0000000000001	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	121680cf2 30420c2 2340d2	Quadratic twists by: -4 -3 13

Hecke Eigenvalues for elliptic curve 30420a2

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

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Quadratic twists for elliptic curve 30420a2

-4	-3	13
121680cf2	30420c2	2340d2

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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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