Properties

Label 2-1856-1.1-c1-0-7
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.36·3-s − 4.14·5-s − 1.14·9-s − 5.64·11-s + 2.86·13-s − 5.64·15-s + 2·17-s + 4.28·19-s + 2.72·23-s + 12.1·25-s − 5.64·27-s − 29-s + 5.36·31-s − 7.69·33-s + 6.28·37-s + 3.91·39-s + 11.7·41-s + 2.91·43-s + 4.72·45-s + 4.19·47-s − 7·49-s + 2.72·51-s − 1.41·53-s + 23.3·55-s + 5.83·57-s + 1.27·59-s − 3.45·61-s + ⋯
L(s)  = 1  + 0.787·3-s − 1.85·5-s − 0.380·9-s − 1.70·11-s + 0.795·13-s − 1.45·15-s + 0.485·17-s + 0.982·19-s + 0.568·23-s + 2.43·25-s − 1.08·27-s − 0.185·29-s + 0.963·31-s − 1.33·33-s + 1.03·37-s + 0.626·39-s + 1.83·41-s + 0.445·43-s + 0.704·45-s + 0.611·47-s − 49-s + 0.381·51-s − 0.194·53-s + 3.15·55-s + 0.773·57-s + 0.165·59-s − 0.442·61-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: \(0\)
Selberg data: \((2,\ 1856,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.300581090\)
\(L(\frac12)\) \(\approx\) \(1.300581090\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.36T + 3T^{2} \)
5 \( 1 + 4.14T + 5T^{2} \)
7 \( 1 + 7T^{2} \)
11 \( 1 + 5.64T + 11T^{2} \)
13 \( 1 - 2.86T + 13T^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 - 4.28T + 19T^{2} \)
23 \( 1 - 2.72T + 23T^{2} \)
31 \( 1 - 5.36T + 31T^{2} \)
37 \( 1 - 6.28T + 37T^{2} \)
41 \( 1 - 11.7T + 41T^{2} \)
43 \( 1 - 2.91T + 43T^{2} \)
47 \( 1 - 4.19T + 47T^{2} \)
53 \( 1 + 1.41T + 53T^{2} \)
59 \( 1 - 1.27T + 59T^{2} \)
61 \( 1 + 3.45T + 61T^{2} \)
67 \( 1 - 9.45T + 67T^{2} \)
71 \( 1 + 13.8T + 71T^{2} \)
73 \( 1 + 7.73T + 73T^{2} \)
79 \( 1 - 14.9T + 79T^{2} \)
83 \( 1 - 9.27T + 83T^{2} \)
89 \( 1 + 16.3T + 89T^{2} \)
97 \( 1 + 10.2T + 97T^{2} \)
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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

−8.965881989408798760673429631709, −8.275827121456768932018911749083, −7.72534603402878586194907581933, −7.41916950027733464999774978050, −6.00260828048511984479631256254, −5.02787933336758077516117835203, −4.11089923918800246471386863698, −3.19337989761556390878325289780, −2.72774958785343270474579145672, −0.72784945238847862396472887933, 0.72784945238847862396472887933, 2.72774958785343270474579145672, 3.19337989761556390878325289780, 4.11089923918800246471386863698, 5.02787933336758077516117835203, 6.00260828048511984479631256254, 7.41916950027733464999774978050, 7.72534603402878586194907581933, 8.275827121456768932018911749083, 8.965881989408798760673429631709

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