Cremona's table of elliptic curves

16905 = 3 · 5 · 7² · 23

Class	r	Atkin-Lehner	Eigenvalues
16905a (1 curve)	1	3+ 5+ 7+ 23+	0 3+ 5+ 7+  2  4 -3  2
Curve Equation t Generators 16905a1 [0,-1,1,229,5921] 1 [89:850:1]
16905b (2 curves)	0	3+ 5+ 7- 23+	1 3+ 5+ 7- -2  0  2  4
Curve Equation t 16905b1 [1,1,0,-70438,7145167] 2 16905b2 [1,1,0,-39813,13435542] 2
16905c (4 curves)	0	3+ 5+ 7- 23+	-1 3+ 5+ 7-  0 -2  6  4
Curve Equation t 16905c1 [1,1,1,-13721,-622546] 2 16905c2 [1,1,1,-19846,-19846] 4 16905c3 [1,1,1,-217071,38715144] 2 16905c4 [1,1,1,79379,-59536] 2
16905d (1 curve)	0	3+ 5+ 7- 23+	2 3+ 5+ 7-  3  2 -4 -1
Curve Equation t 16905d1 [0,-1,1,-26336,-1636279] 1
16905e (1 curve)	0	3+ 5+ 7- 23+	2 3+ 5+ 7-  6  7  0  7
Curve Equation t 16905e1 [0,-1,1,-4727116,-4059469653] 1
16905f (1 curve)	0	3+ 5+ 7- 23+	-2 3+ 5+ 7- -2  6 -1 -2
Curve Equation t 16905f1 [0,-1,1,-4916,-149164] 1
16905g (1 curve)	1	3+ 5+ 7- 23-	0 3+ 5+ 7-  4  0 -2  0
Curve Equation t Generators 16905g1 [0,-1,1,-261,1721] 1 [9:4:1]
16905h (2 curves)	1	3+ 5+ 7- 23-	-1 3+ 5+ 7- -2  4  2  0
Curve Equation t Generators 16905h1 [1,1,1,-11271,391068] 2 [34:203:1] 16905h2 [1,1,1,19354,2179568] 2 [-43:1148:1]
16905i (1 curve)	1	3+ 5- 7- 23+	0 3+ 5- 7-  0 -4 -6  0
Curve Equation t Generators 16905i1 [0,-1,1,35215,-41218612] 1 [3324776:129520039:2197]
16905j (2 curves)	1	3+ 5- 7- 23+	0 3+ 5- 7-  3  4  6  1
Curve Equation t Generators 16905j1 [0,-1,1,-1045,-39894] 1 [96:857:1] 16905j2 [0,-1,1,9245,981903] 1 [-51:612:1]
16905k (1 curve)	1	3+ 5- 7- 23+	0 3+ 5- 7- -6 -4  3  6
Curve Equation t Generators 16905k1 [0,-1,1,75,83] 1 [9:37:1]
16905l (4 curves)	1	3+ 5- 7- 23+	1 3+ 5- 7-  4 -6  2  4
Curve Equation t Generators 16905l1 [1,1,0,22368,-801261] 2 [248654:6710353:343] 16905l2 [1,1,0,-107237,-7100064] 4 [2932:156314:1] 16905l3 [1,1,0,-1476542,-690930981] 2 [194452:9583949:64] 16905l4 [1,1,0,-811612,276199561] 2 [23806:1233187:8]
16905m (4 curves)	1	3+ 5- 7- 23+	-1 3+ 5- 7- -4  2 -6 -8
Curve Equation t Generators 16905m1 [1,1,1,440,440] 2 [8:63:1] 16905m2 [1,1,1,-1765,1322] 4 [-28:186:1] 16905m3 [1,1,1,-18670,-985930] 2 [-77:88:1] 16905m4 [1,1,1,-20140,1089122] 2 [97:196:1]
16905n (1 curve)	0	3+ 5- 7- 23-	0 3+ 5- 7-  1  0 -2  3
Curve Equation t 16905n1 [0,-1,1,1429265,1479379131] 1
16905o (1 curve)	0	3+ 5- 7- 23-	0 3+ 5- 7- -4  0  3  8
Curve Equation t 16905o1 [0,-1,1,-65,-547] 1
16905p (4 curves)	0	3+ 5- 7- 23-	1 3+ 5- 7- -4 -2 -6  4
Curve Equation t 16905p1 [1,1,0,-1152,-1581] 2 16905p2 [1,1,0,-13157,-585024] 4 16905p3 [1,1,0,-210382,-37229429] 2 16905p4 [1,1,0,-8012,-1040871] 4
16905q (4 curves)	0	3+ 5- 7- 23-	-1 3+ 5- 7-  4 -2  2  0
Curve Equation t 16905q1 [1,1,1,-11320,-126568] 4 16905q2 [1,1,1,-140925,-20396790] 4 16905q3 [1,1,1,-2254050,-1303486290] 2 16905q4 [1,1,1,-101480,-32009398] 2
16905r (1 curve)	0	3+ 5- 7- 23-	-2 3+ 5- 7- -3  2  4  5
Curve Equation t 16905r1 [0,-1,1,-11090,-1118482] 1
16905s (1 curve)	0	3- 5+ 7+ 23+	0 3- 5+ 7+  0  4  6  0
Curve Equation t 16905s1 [0,1,1,719,120376] 1
16905t (1 curve)	0	3- 5+ 7+ 23+	0 3- 5+ 7+ -6  4 -3 -6
Curve Equation t 16905t1 [0,1,1,3659,-35885] 1
16905u (1 curve)	1	3- 5+ 7- 23+	2 3- 5+ 7-  2  2 -5  2
Curve Equation t Generators 16905u1 [0,1,1,1454,30265] 1 [-134:305:8]
16905v (1 curve)	2	3- 5+ 7- 23-	-2 3- 5+ 7- -3 -2 -4 -5
Curve Equation t Generators 16905v1 [0,1,1,-226,3196] 1 [-19:31:1]&[17:-68:1]
16905w (1 curve)	1	3- 5- 7+ 23+	2 3- 5- 7+  6 -7  0 -7
Curve Equation t Generators 16905w1 [0,1,1,-231628700,1392861348281] 1 [-94630:12592841:8]
16905x (1 curve)	0	3- 5- 7+ 23-	0 3- 5- 7+  4  0  2  0
Curve Equation t 16905x1 [0,1,1,-12805,-564791] 1
16905y (1 curve)	0	3- 5- 7- 23+	0 3- 5- 7-  2 -4  3 -2
Curve Equation t 16905y1 [0,1,1,11205,-2053411] 1
16905z (4 curves)	0	3- 5- 7- 23+	-1 3- 5- 7-  4  6  2  0
Curve Equation t 16905z1 [1,0,0,-3970,84755] 2 16905z2 [1,0,0,-15975,-690768] 4 16905z3 [1,0,0,-247500,-47412513] 2 16905z4 [1,0,0,23470,-3554475] 4
16905ba (1 curve)	0	3- 5- 7- 23+	2 3- 5- 7-  3 -2  4  1
Curve Equation t 16905ba1 [0,1,1,-1290480,563824559] 1
16905bb (1 curve)	1	3- 5- 7- 23-	0 3- 5- 7- -3  0  2 -7
Curve Equation t Generators 16905bb1 [0,1,1,-4833915,-5051688631] 1 [14583:1739524:1]
16905bc (1 curve)	1	3- 5- 7- 23-	0 3- 5- 7-  4  0 -5  0
Curve Equation t Generators 16905bc1 [0,1,1,-35835,2599139] 1 [111:37:1]

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