Properties

Label 2-1856-1.1-c1-0-50
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 − 2·9-s − 5·11-s − 13-s + 15-s − 6·17-s + 4·19-s + 6·23-s − 4·25-s − 5·27-s + 29-s − 9·31-s − 5·33-s − 39-s − 8·41-s − 43-s − 2·45-s − 9·47-s − 7·49-s − 6·51-s + 9·53-s − 5·55-s + 4·57-s + 14·59-s − 10·61-s − 65-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 2/3·9-s − 1.50·11-s − 0.277·13-s + 0.258·15-s − 1.45·17-s + 0.917·19-s + 1.25·23-s − 4/5·25-s − 0.962·27-s + 0.185·29-s − 1.61·31-s − 0.870·33-s − 0.160·39-s − 1.24·41-s − 0.152·43-s − 0.298·45-s − 1.31·47-s − 49-s − 0.840·51-s + 1.23·53-s − 0.674·55-s + 0.529·57-s + 1.82·59-s − 1.28·61-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 \( 1 + p T^{2} \)
11 \( 1 + 5 T + p T^{2} \)
13 \( 1 + T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
31 \( 1 + 9 T + p T^{2} \)
37 \( 1 + p T^{2} \)
41 \( 1 + 8 T + p T^{2} \)
43 \( 1 + T + p T^{2} \)
47 \( 1 + 9 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 - 14 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 - 17 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 + 4 T + p T^{2} \)
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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

−8.881138385683193841802168431384, −8.113412320599282444813844622501, −7.40058900877586735707605147630, −6.51872387832910144837398766436, −5.39160479139122962668067738269, −5.01549072289869683857343789226, −3.58464413304689469477160283746, −2.72974150648470900016910402012, −1.96271232626592152421424128874, 0, 1.96271232626592152421424128874, 2.72974150648470900016910402012, 3.58464413304689469477160283746, 5.01549072289869683857343789226, 5.39160479139122962668067738269, 6.51872387832910144837398766436, 7.40058900877586735707605147630, 8.113412320599282444813844622501, 8.881138385683193841802168431384

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