Properties

Label 2-1856-1.1-c1-0-37
Degree $2$
Conductor $1856$
Sign $-1$
Analytic cond. $14.8202$
Root an. cond. $3.84970$
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  − 0.414·3-s − 5-s − 2·7-s − 2.82·9-s + 2.41·11-s + 1.82·13-s + 0.414·15-s + 2.82·17-s + 7.65·19-s + 0.828·21-s − 1.17·23-s − 4·25-s + 2.41·27-s − 29-s − 2.41·31-s − 0.999·33-s + 2·35-s − 5.65·37-s − 0.757·39-s − 4.82·41-s − 3.24·43-s + 2.82·45-s − 4.41·47-s − 3·49-s − 1.17·51-s − 11.4·53-s − 2.41·55-s + ⋯
L(s)  = 1  − 0.239·3-s − 0.447·5-s − 0.755·7-s − 0.942·9-s + 0.727·11-s + 0.507·13-s + 0.106·15-s + 0.685·17-s + 1.75·19-s + 0.180·21-s − 0.244·23-s − 0.800·25-s + 0.464·27-s − 0.185·29-s − 0.433·31-s − 0.174·33-s + 0.338·35-s − 0.929·37-s − 0.121·39-s − 0.754·41-s − 0.494·43-s + 0.421·45-s − 0.643·47-s − 0.428·49-s − 0.164·51-s − 1.57·53-s − 0.325·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1856\)    =    \(2^{6} \cdot 29\)
Sign: $-1$
Analytic conductor: \(14.8202\)
Root analytic conductor: \(3.84970\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1856,\ (\ :1/2),\ -1)\)

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 \( 1 \)
29 \( 1 + T \)
good3 \( 1 + 0.414T + 3T^{2} \)
5 \( 1 + T + 5T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
11 \( 1 - 2.41T + 11T^{2} \)
13 \( 1 - 1.82T + 13T^{2} \)
17 \( 1 - 2.82T + 17T^{2} \)
19 \( 1 - 7.65T + 19T^{2} \)
23 \( 1 + 1.17T + 23T^{2} \)
31 \( 1 + 2.41T + 31T^{2} \)
37 \( 1 + 5.65T + 37T^{2} \)
41 \( 1 + 4.82T + 41T^{2} \)
43 \( 1 + 3.24T + 43T^{2} \)
47 \( 1 + 4.41T + 47T^{2} \)
53 \( 1 + 11.4T + 53T^{2} \)
59 \( 1 + 4.48T + 59T^{2} \)
61 \( 1 + 12.4T + 61T^{2} \)
67 \( 1 - 4T + 67T^{2} \)
71 \( 1 + 8.82T + 71T^{2} \)
73 \( 1 + 8T + 73T^{2} \)
79 \( 1 + 10.8T + 79T^{2} \)
83 \( 1 - 12.4T + 83T^{2} \)
89 \( 1 + 3.17T + 89T^{2} \)
97 \( 1 + 3.17T + 97T^{2} \)
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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

−8.932344049893036929792596251861, −8.022746840040168230920581407672, −7.31213436258543207603008721930, −6.32728128117044894161727779866, −5.75653570125182153641663014066, −4.82512044295232354882120518762, −3.45575232560401891598105567576, −3.24456624141102292888259492833, −1.49334815356553638844091775082, 0, 1.49334815356553638844091775082, 3.24456624141102292888259492833, 3.45575232560401891598105567576, 4.82512044295232354882120518762, 5.75653570125182153641663014066, 6.32728128117044894161727779866, 7.31213436258543207603008721930, 8.022746840040168230920581407672, 8.932344049893036929792596251861

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