Properties

Label 2-850-1.1-c1-0-8
Degree $2$
Conductor $850$
Sign $-1$
Analytic cond. $6.78728$
Root an. cond. $2.60524$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 3·3-s + 4-s + 3·6-s − 7-s − 8-s + 6·9-s − 4·11-s − 3·12-s + 3·13-s + 14-s + 16-s + 17-s − 6·18-s + 6·19-s + 3·21-s + 4·22-s + 3·24-s − 3·26-s − 9·27-s − 28-s − 9·31-s − 32-s + 12·33-s − 34-s + 6·36-s + 4·37-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.73·3-s + 1/2·4-s + 1.22·6-s − 0.377·7-s − 0.353·8-s + 2·9-s − 1.20·11-s − 0.866·12-s + 0.832·13-s + 0.267·14-s + 1/4·16-s + 0.242·17-s − 1.41·18-s + 1.37·19-s + 0.654·21-s + 0.852·22-s + 0.612·24-s − 0.588·26-s − 1.73·27-s − 0.188·28-s − 1.61·31-s − 0.176·32-s + 2.08·33-s − 0.171·34-s + 36-s + 0.657·37-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: yes
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 \( 1 + p T + p T^{2} \)
7 \( 1 + T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 - 3 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + 9 T + p T^{2} \)
37 \( 1 - 4 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 12 T + p T^{2} \)
47 \( 1 + 10 T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 14 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + 15 T + p T^{2} \)
73 \( 1 + 12 T + p T^{2} \)
79 \( 1 - 3 T + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 16 T + p T^{2} \)
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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

−9.912079858561699963383102104798, −9.194075524487659594092066631529, −7.79245125853043497524015802224, −7.25725380166347220079989594968, −6.06625119903536027210672312295, −5.69252691577739764158095209578, −4.63606983114592049159737766087, −3.14363225178080646361043609520, −1.34569919885542900950402397627, 0, 1.34569919885542900950402397627, 3.14363225178080646361043609520, 4.63606983114592049159737766087, 5.69252691577739764158095209578, 6.06625119903536027210672312295, 7.25725380166347220079989594968, 7.79245125853043497524015802224, 9.194075524487659594092066631529, 9.912079858561699963383102104798

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