Cremona's table of elliptic curves

28305 = 3² · 5 · 17 · 37

Class	r	Atkin-Lehner	Eigenvalues
28305a (1 curve)	1	3+ 5+ 17- 37-	0 3+ 5+ -3  5 -6 17-  4
Curve Equation t Generators 28305a1 [0,0,1,-24678,-1510792] 1 [174762:3728677:343]
28305b (2 curves)	1	3+ 5+ 17- 37-	-1 3+ 5+ -4  4  4 17-  4
Curve Equation t Generators 28305b1 [1,-1,1,862,-6344] 2 [128:1415:1] 28305b2 [1,-1,1,-4133,-52298] 2 [-20:158:1]
28305c (1 curve)	1	3+ 5- 17+ 37-	0 3+ 5- -3 -5 -6 17+  4
Curve Equation t Generators 28305c1 [0,0,1,-2742,55955] 1 [33:37:1]
28305d (2 curves)	1	3+ 5- 17+ 37-	1 3+ 5- -4 -4  4 17+  4
Curve Equation t Generators 28305d1 [1,-1,0,96,203] 2 [2:19:1] 28305d2 [1,-1,0,-459,2090] 2 [-14:82:1]
28305e (2 curves)	1	3- 5+ 17+ 37-	0 3- 5+ -1  3  2 17+  2
Curve Equation t Generators 28305e1 [0,0,1,-236118,43893864] 1 [-552:2456:1] 28305e2 [0,0,1,-19093368,32112338139] 3 [-4377:178406:1]
28305f (6 curves)	1	3- 5+ 17+ 37-	1 3- 5+  0  4  6 17+ -4
Curve Equation t Generators 28305f1 [1,-1,0,4140,102091] 2 [550:6457:8] 28305f2 [1,-1,0,-23985,985216] 4 [-84536:375601:512] 28305f3 [1,-1,0,-148860,-21317459] 2 [-281571992:660228997:1124864] 28305f4 [1,-1,0,-349110,79470391] 4 [-5234:44575:8] 28305f5 [1,-1,0,-314685,95739646] 2 [-1776222:-13604123:2744] 28305f6 [1,-1,0,-5585535,5082350836] 2 [29959020:-14985097:21952]
28305g (4 curves)	1	3- 5+ 17+ 37-	1 3- 5+ -4 -4 -2 17+ -8
Curve Equation t Generators 28305g1 [1,-1,0,-251430,48024575] 2 [130952:258155:512] 28305g2 [1,-1,0,-4009875,3091613336] 4 [8366:47099:8] 28305g3 [1,-1,0,-3996870,3112652825] 2 [1768:38743:1] 28305g4 [1,-1,0,-64158000,197815153211] 2 [101525900:-51162063:21952]
28305h (1 curve)	1	3- 5+ 17- 37+	2 3- 5+ -3  3 -4 17- -2
Curve Equation t Generators 28305h1 [0,0,1,-453,1579] 1 [-158:421:8]
28305i (2 curves)	1	3- 5- 17+ 37+	1 3- 5- -4  6  2 17+  2
Curve Equation t Generators 28305i1 [1,-1,0,-14499,674968] 2 [-914:7747:8] 28305i2 [1,-1,0,-10854,1019785] 2 [56:-793:1]
28305j (1 curve)	0	3- 5- 17+ 37-	2 3- 5- -2  4 -1 17+  0
Curve Equation t 28305j1 [0,0,1,303,-57713] 1
28305k (2 curves)	0	3- 5- 17- 37+	1 3- 5-  0  2  0 17-  4
Curve Equation t 28305k1 [1,-1,0,-234,1863] 2 28305k2 [1,-1,0,-4059,100548] 2
28305l (1 curve)	1	3- 5- 17- 37-	0 3- 5- -2  0  7 17- -6
Curve Equation t Generators 28305l1 [0,0,1,-11622,625270] 1 [58:-383:1]
28305m (4 curves)	1	3- 5- 17- 37-	-1 3- 5-  0  0  2 17-  0
Curve Equation t Generators 28305m1 [1,-1,1,-617,-5704] 2 [34:91:1] 28305m2 [1,-1,1,-1022,3044] 4 [-6:97:1] 28305m3 [1,-1,1,3973,21026] 2 [16:289:1] 28305m4 [1,-1,1,-12497,540074] 4 [79:163:1]
28305n (1 curve)	1	3- 5- 17- 37-	-2 3- 5- -1  3 -2 17-  6
Curve Equation t Generators 28305n1 [0,0,1,-687,-8960] 1 [43:202:1]

Data from Elliptic Curve Data by J. E. Cremona.
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