Properties

Label 2-850-1.1-c1-0-23
Degree $2$
Conductor $850$
Sign $-1$
Analytic cond. $6.78728$
Root an. cond. $2.60524$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 2.56·3-s + 4-s − 2.56·6-s − 5.12·7-s − 8-s + 3.56·9-s − 4·11-s + 2.56·12-s − 4.56·13-s + 5.12·14-s + 16-s − 17-s − 3.56·18-s − 2.56·19-s − 13.1·21-s + 4·22-s + 5.12·23-s − 2.56·24-s + 4.56·26-s + 1.43·27-s − 5.12·28-s − 5.68·29-s − 6.56·31-s − 32-s − 10.2·33-s + 34-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.47·3-s + 0.5·4-s − 1.04·6-s − 1.93·7-s − 0.353·8-s + 1.18·9-s − 1.20·11-s + 0.739·12-s − 1.26·13-s + 1.36·14-s + 0.250·16-s − 0.242·17-s − 0.839·18-s − 0.587·19-s − 2.86·21-s + 0.852·22-s + 1.06·23-s − 0.522·24-s + 0.894·26-s + 0.276·27-s − 0.968·28-s − 1.05·29-s − 1.17·31-s − 0.176·32-s − 1.78·33-s + 0.171·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 850 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 850 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(850\)    =    \(2 \cdot 5^{2} \cdot 17\)
Sign: $-1$
Analytic conductor: \(6.78728\)
Root analytic conductor: \(2.60524\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 850,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
5 \( 1 \)
17 \( 1 + T \)
good3 \( 1 - 2.56T + 3T^{2} \)
7 \( 1 + 5.12T + 7T^{2} \)
11 \( 1 + 4T + 11T^{2} \)
13 \( 1 + 4.56T + 13T^{2} \)
19 \( 1 + 2.56T + 19T^{2} \)
23 \( 1 - 5.12T + 23T^{2} \)
29 \( 1 + 5.68T + 29T^{2} \)
31 \( 1 + 6.56T + 31T^{2} \)
37 \( 1 - 7.12T + 37T^{2} \)
41 \( 1 - 4.24T + 41T^{2} \)
43 \( 1 - 1.12T + 43T^{2} \)
47 \( 1 + 6.56T + 47T^{2} \)
53 \( 1 - 0.561T + 53T^{2} \)
59 \( 1 + 0.315T + 59T^{2} \)
61 \( 1 - 7.43T + 61T^{2} \)
67 \( 1 - 9.12T + 67T^{2} \)
71 \( 1 + 4.31T + 71T^{2} \)
73 \( 1 - 6.80T + 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 - 6.24T + 83T^{2} \)
89 \( 1 + 9.68T + 89T^{2} \)
97 \( 1 - 1.68T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.459940339775681491376327419231, −9.221513272123202818986154975250, −8.119395556067851899509936859992, −7.38374524006160531731326830467, −6.71714938948018178728954349000, −5.44977392067390631054451452685, −3.85348871141607991664510524975, −2.84924080126800190309222068587, −2.37985575272537982289991805366, 0, 2.37985575272537982289991805366, 2.84924080126800190309222068587, 3.85348871141607991664510524975, 5.44977392067390631054451452685, 6.71714938948018178728954349000, 7.38374524006160531731326830467, 8.119395556067851899509936859992, 9.221513272123202818986154975250, 9.459940339775681491376327419231

Graph of the $Z$-function along the critical line