Properties

Label 2-850-1.1-c1-0-5
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 0.414·3-s + 4-s − 0.414·6-s − 0.414·7-s + 8-s − 2.82·9-s + 2·11-s − 0.414·12-s + 6.65·13-s − 0.414·14-s + 16-s + 17-s − 2.82·18-s + 0.828·19-s + 0.171·21-s + 2·22-s + 7.65·23-s − 0.414·24-s + 6.65·26-s + 2.41·27-s − 0.414·28-s − 4·29-s + 1.58·31-s + 32-s − 0.828·33-s + 34-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.239·3-s + 0.5·4-s − 0.169·6-s − 0.156·7-s + 0.353·8-s − 0.942·9-s + 0.603·11-s − 0.119·12-s + 1.84·13-s − 0.110·14-s + 0.250·16-s + 0.242·17-s − 0.666·18-s + 0.190·19-s + 0.0374·21-s + 0.426·22-s + 1.59·23-s − 0.0845·24-s + 1.30·26-s + 0.464·27-s − 0.0782·28-s − 0.742·29-s + 0.284·31-s + 0.176·32-s − 0.144·33-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: \(0\)
Selberg data: \((2,\ 850,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.317051524\)
\(L(\frac12)\) \(\approx\) \(2.317051524\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.414T + 3T^{2} \)
7 \( 1 + 0.414T + 7T^{2} \)
11 \( 1 - 2T + 11T^{2} \)
13 \( 1 - 6.65T + 13T^{2} \)
19 \( 1 - 0.828T + 19T^{2} \)
23 \( 1 - 7.65T + 23T^{2} \)
29 \( 1 + 4T + 29T^{2} \)
31 \( 1 - 1.58T + 31T^{2} \)
37 \( 1 - 5.65T + 37T^{2} \)
41 \( 1 - 7.65T + 41T^{2} \)
43 \( 1 + 11.3T + 43T^{2} \)
47 \( 1 - 3.17T + 47T^{2} \)
53 \( 1 - 5.82T + 53T^{2} \)
59 \( 1 + 8T + 59T^{2} \)
61 \( 1 + 3.65T + 61T^{2} \)
67 \( 1 + 7.31T + 67T^{2} \)
71 \( 1 + 13.2T + 71T^{2} \)
73 \( 1 - 1.65T + 73T^{2} \)
79 \( 1 - 1.24T + 79T^{2} \)
83 \( 1 - 2.34T + 83T^{2} \)
89 \( 1 + 2T + 89T^{2} \)
97 \( 1 + 97T^{2} \)
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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

−10.47069240927478387799763706944, −9.198514486617210582380378707185, −8.589187480512094337243592665666, −7.49363843435543192554939825479, −6.36060518200143086884817831643, −5.93135716561353587294568348125, −4.88580149021702740355794221316, −3.72195653013863120453022588324, −2.94480137474653486855259468425, −1.25640618338636972041896897550, 1.25640618338636972041896897550, 2.94480137474653486855259468425, 3.72195653013863120453022588324, 4.88580149021702740355794221316, 5.93135716561353587294568348125, 6.36060518200143086884817831643, 7.49363843435543192554939825479, 8.589187480512094337243592665666, 9.198514486617210582380378707185, 10.47069240927478387799763706944

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