Properties

Label 2-1856-1.1-c1-0-39
Degree $2$
Conductor $1856$
Sign $-1$
Analytic cond. $14.8202$
Root an. cond. $3.84970$
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  − 3·3-s + 3·5-s + 2·7-s + 6·9-s − 11-s − 3·13-s − 9·15-s − 4·17-s − 8·19-s − 6·21-s + 4·25-s − 9·27-s + 29-s − 3·31-s + 3·33-s + 6·35-s + 8·37-s + 9·39-s − 2·41-s + 7·43-s + 18·45-s − 11·47-s − 3·49-s + 12·51-s − 53-s − 3·55-s + 24·57-s + ⋯
L(s)  = 1  − 1.73·3-s + 1.34·5-s + 0.755·7-s + 2·9-s − 0.301·11-s − 0.832·13-s − 2.32·15-s − 0.970·17-s − 1.83·19-s − 1.30·21-s + 4/5·25-s − 1.73·27-s + 0.185·29-s − 0.538·31-s + 0.522·33-s + 1.01·35-s + 1.31·37-s + 1.44·39-s − 0.312·41-s + 1.06·43-s + 2.68·45-s − 1.60·47-s − 3/7·49-s + 1.68·51-s − 0.137·53-s − 0.404·55-s + 3.17·57-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: yes
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 \( 1 + p T + p T^{2} \)
5 \( 1 - 3 T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + T + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 + 8 T + p T^{2} \)
23 \( 1 + p T^{2} \)
31 \( 1 + 3 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 - 7 T + p T^{2} \)
47 \( 1 + 11 T + p T^{2} \)
53 \( 1 + T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 4 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 2 T + p T^{2} \)
73 \( 1 + 12 T + p T^{2} \)
79 \( 1 - 7 T + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 6 T + p T^{2} \)
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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

−9.050758124201678791033621329821, −7.962357345640797971577528915374, −6.90898810262118971316359808012, −6.26668821754321326684906931279, −5.72305014285753421266225529472, −4.82000319309045720683927918981, −4.43557931381636842001263386788, −2.38846470504631823404636041964, −1.57888278458505740991793186002, 0, 1.57888278458505740991793186002, 2.38846470504631823404636041964, 4.43557931381636842001263386788, 4.82000319309045720683927918981, 5.72305014285753421266225529472, 6.26668821754321326684906931279, 6.90898810262118971316359808012, 7.962357345640797971577528915374, 9.050758124201678791033621329821

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