Cremona's table of elliptic curves

30380 = 2² · 5 · 7² · 31

Field	Data	Notes
Atkin-Lehner	2- 5+ 7- 31-	Signs for the Atkin-Lehner involutions
Class	30380b	Isogeny class
Conductor	30380	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	64800	Modular degree for the optimal curve
Δ	5653034450000 = 24 · 55 · 76 · 312	Discriminant
Eigenvalues	2-  0 5+ 7- -4  4  0  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-51548,-4503247]	[a1,a2,a3,a4,a6]
j	8047314026496/3003125	j-invariant
L	0.95055572318871	L(r)(E,1)/r!
Ω	0.31685190772963	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	121520bi1 620b1	Quadratic twists by: -4 -7

Hecke Eigenvalues for elliptic curve 30380b1

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	+	-	-4	4	0	0	-4	2	-	8	-6	-8	6	-8	-4	-2	-2	0	4	0	8	-6	2

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Quadratic twists for elliptic curve 30380b1

-4	-7
121520bi1	620b1

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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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