Properties

Label 2-1656-1.1-c1-0-11
Degree $2$
Conductor $1656$
Sign $1$
Analytic cond. $13.2232$
Root an. cond. $3.63637$
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  + 1.23·5-s + 2·7-s + 1.23·11-s + 4.47·13-s − 2.47·17-s + 3.23·19-s − 23-s − 3.47·25-s − 0.472·29-s + 10.4·31-s + 2.47·35-s − 5.70·37-s + 2·41-s + 0.763·43-s − 8.94·47-s − 3·49-s + 10.1·53-s + 1.52·55-s + 4·59-s + 1.70·61-s + 5.52·65-s − 5.70·67-s + 8.94·71-s − 4.47·73-s + 2.47·77-s + 14·79-s + 6.76·83-s + ⋯
L(s)  = 1  + 0.552·5-s + 0.755·7-s + 0.372·11-s + 1.24·13-s − 0.599·17-s + 0.742·19-s − 0.208·23-s − 0.694·25-s − 0.0876·29-s + 1.88·31-s + 0.417·35-s − 0.938·37-s + 0.312·41-s + 0.116·43-s − 1.30·47-s − 0.428·49-s + 1.39·53-s + 0.206·55-s + 0.520·59-s + 0.218·61-s + 0.685·65-s − 0.697·67-s + 1.06·71-s − 0.523·73-s + 0.281·77-s + 1.57·79-s + 0.742·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1656\)    =    \(2^{3} \cdot 3^{2} \cdot 23\)
Sign: $1$
Analytic conductor: \(13.2232\)
Root analytic conductor: \(3.63637\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1656,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.263410096\)
\(L(\frac12)\) \(\approx\) \(2.263410096\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
23 \( 1 + T \)
good5 \( 1 - 1.23T + 5T^{2} \)
7 \( 1 - 2T + 7T^{2} \)
11 \( 1 - 1.23T + 11T^{2} \)
13 \( 1 - 4.47T + 13T^{2} \)
17 \( 1 + 2.47T + 17T^{2} \)
19 \( 1 - 3.23T + 19T^{2} \)
29 \( 1 + 0.472T + 29T^{2} \)
31 \( 1 - 10.4T + 31T^{2} \)
37 \( 1 + 5.70T + 37T^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 - 0.763T + 43T^{2} \)
47 \( 1 + 8.94T + 47T^{2} \)
53 \( 1 - 10.1T + 53T^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 - 1.70T + 61T^{2} \)
67 \( 1 + 5.70T + 67T^{2} \)
71 \( 1 - 8.94T + 71T^{2} \)
73 \( 1 + 4.47T + 73T^{2} \)
79 \( 1 - 14T + 79T^{2} \)
83 \( 1 - 6.76T + 83T^{2} \)
89 \( 1 + 0.944T + 89T^{2} \)
97 \( 1 + 4.47T + 97T^{2} \)
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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

−9.366986654982897374702611334926, −8.506043931275713026481872721043, −7.982191341563105333220670617159, −6.84090187526359751429101500136, −6.15188299408633201902217535617, −5.31423566721584355027927066660, −4.39149665032998550353391823759, −3.43291891765510075536075244272, −2.14733361851274378675698918930, −1.15678218682883836901349598851, 1.15678218682883836901349598851, 2.14733361851274378675698918930, 3.43291891765510075536075244272, 4.39149665032998550353391823759, 5.31423566721584355027927066660, 6.15188299408633201902217535617, 6.84090187526359751429101500136, 7.982191341563105333220670617159, 8.506043931275713026481872721043, 9.366986654982897374702611334926

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