Cremona's table of elliptic curves

28420 = 2² · 5 · 7² · 29

Class	r	Atkin-Lehner	Eigenvalues
28420a (2 curves)	1	2- 5+ 7- 29+	2-  0 5+ 7- -4  6  4 -4
Curve Equation t Generators 28420a1 [0,0,0,-1568,10633] 2 [-42:49:1] 28420a2 [0,0,0,5537,80262] 2 [-13:78:1]
28420b (2 curves)	1	2- 5+ 7- 29+	2-  2 5+ 7- -2 -2  2 -2
Curve Equation t Generators 28420b1 [0,-1,0,-11041,441666] 2 [-9:735:1] 28420b2 [0,-1,0,964,1339640] 2 [154:2262:1]
28420c (4 curves)	1	2- 5+ 7- 29+	2-  2 5+ 7-  6 -2 -6 -2
Curve Equation t Generators 28420c1 [0,-1,0,-7400241,-7746020470] 2 [5931492789:1057555527875:185193] 28420c2 [0,-1,0,-7388236,-7772417064] 2 [365278776086905263462:65127664508801727218750:11404755213879357] 28420c3 [0,-1,0,-8037241,-6333139770] 2 [-1893686264830761528207369638316:-55088534982466150764739334361615:1811778299503653365270036288] 28420c4 [0,-1,0,20786764,-41463837064] 2 [324505954548992051378145566807982394828068850203771492:-58472273823642941648688371014959273029476739984108195675:10186238165483069126396749570402852461860678862912]
28420d (1 curve)	0	2- 5+ 7- 29-	2-  1 5+ 7-  0  6 -2  7
Curve Equation t 28420d1 [0,1,0,-10061,-767761] 1
28420e (1 curve)	0	2- 5+ 7- 29-	2-  1 5+ 7-  2  4 -2  1
Curve Equation t 28420e1 [0,1,0,-909701,334452215] 1
28420f (2 curves)	0	2- 5- 7- 29+	2-  2 5- 7- -2  6  6  8
Curve Equation t 28420f1 [0,-1,0,-1045,-3450] 2 28420f2 [0,-1,0,-9620,363560] 2
28420g (4 curves)	0	2- 5- 7- 29+	2-  2 5- 7- -6 -2 -6  4
Curve Equation t 28420g1 [0,-1,0,-28485,-1737658] 2 28420g2 [0,-1,0,-448660,-115521048] 2 28420g3 [0,-1,0,-412645,101764650] 2 28420g4 [0,-1,0,-627020,-15112600] 2
28420h (2 curves)	1	2- 5- 7- 29-	2-  0 5- 7- -2  2  0  2
Curve Equation t Generators 28420h1 [0,0,0,-392,2401] 2 [0:49:1] 28420h2 [0,0,0,833,14406] 2 [15:174:1]
28420i (2 curves)	1	2- 5- 7- 29-	2-  0 5- 7- -2 -6 -8  6
Curve Equation t Generators 28420i1 [0,0,0,-394352,-95284371] 2 [8603:795760:1] 28420i2 [0,0,0,-334327,-125284866] 2 [35232400:-3259920363:4096]
28420j (2 curves)	1	2- 5- 7- 29-	2-  0 5- 7-  6 -6  0  4
Curve Equation t Generators 28420j1 [0,0,0,-3332,-40131] 2 [-126:735:8] 28420j2 [0,0,0,-46207,-3821706] 2 [918:26970:1]
28420k (1 curve)	1	2- 5- 7- 29-	2- -1 5- 7-  0 -6  2 -7
Curve Equation t Generators 28420k1 [0,-1,0,-205,2297] 1 [19:-70:1]

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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