Properties

Label 2-1856-1.1-c1-0-44
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-s − 5-s − 2·7-s − 2·9-s + 3·11-s + 13-s − 15-s − 2·21-s − 4·23-s − 4·25-s − 5·27-s + 29-s − 3·31-s + 3·33-s + 2·35-s + 8·37-s + 39-s − 6·41-s − 5·43-s + 2·45-s − 3·47-s − 3·49-s − 5·53-s − 3·55-s − 8·59-s + 4·63-s − 65-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 0.755·7-s − 2/3·9-s + 0.904·11-s + 0.277·13-s − 0.258·15-s − 0.436·21-s − 0.834·23-s − 4/5·25-s − 0.962·27-s + 0.185·29-s − 0.538·31-s + 0.522·33-s + 0.338·35-s + 1.31·37-s + 0.160·39-s − 0.937·41-s − 0.762·43-s + 0.298·45-s − 0.437·47-s − 3/7·49-s − 0.686·53-s − 0.404·55-s − 1.04·59-s + 0.503·63-s − 0.124·65-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 \( 1 - T + p T^{2} \)
5 \( 1 + T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
31 \( 1 + 3 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 5 T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 + 5 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + 6 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 + T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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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

−8.843378112255067891603077440940, −8.137668234105484587481230954798, −7.40530733603051725388723328323, −6.36230490937615343495442172496, −5.86876727871575445549099462889, −4.52492151385688776853632464015, −3.63636611349573586681053352594, −3.02549170589439465302071941358, −1.74689488016395042854701773575, 0, 1.74689488016395042854701773575, 3.02549170589439465302071941358, 3.63636611349573586681053352594, 4.52492151385688776853632464015, 5.86876727871575445549099462889, 6.36230490937615343495442172496, 7.40530733603051725388723328323, 8.137668234105484587481230954798, 8.843378112255067891603077440940

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