Properties

Label 2-850-1.1-c1-0-22
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-s + 4-s − 6-s + 8-s − 2·9-s − 6·11-s − 12-s − 3·13-s + 16-s − 17-s − 2·18-s − 7·19-s − 6·22-s + 8·23-s − 24-s − 3·26-s + 5·27-s − 5·29-s + 5·31-s + 32-s + 6·33-s − 34-s − 2·36-s − 8·37-s − 7·38-s + 3·39-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s + 1/2·4-s − 0.408·6-s + 0.353·8-s − 2/3·9-s − 1.80·11-s − 0.288·12-s − 0.832·13-s + 1/4·16-s − 0.242·17-s − 0.471·18-s − 1.60·19-s − 1.27·22-s + 1.66·23-s − 0.204·24-s − 0.588·26-s + 0.962·27-s − 0.928·29-s + 0.898·31-s + 0.176·32-s + 1.04·33-s − 0.171·34-s − 1/3·36-s − 1.31·37-s − 1.13·38-s + 0.480·39-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 \( 1 + T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 + 6 T + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
19 \( 1 + 7 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 - 5 T + p T^{2} \)
61 \( 1 + 3 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 + 15 T + p T^{2} \)
73 \( 1 - 11 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + T + p T^{2} \)
97 \( 1 - 9 T + p T^{2} \)
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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

−10.09302879555825736775380403270, −8.818483020797254296319231244494, −7.950212259455860680268307957004, −7.00592557180030464461653480323, −6.10743012598324664351263700121, −5.15650183396623031751358571793, −4.72568208639362645794050262121, −3.14111186102510721424588268243, −2.28378669247109526633039618133, 0, 2.28378669247109526633039618133, 3.14111186102510721424588268243, 4.72568208639362645794050262121, 5.15650183396623031751358571793, 6.10743012598324664351263700121, 7.00592557180030464461653480323, 7.950212259455860680268307957004, 8.818483020797254296319231244494, 10.09302879555825736775380403270

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