Properties

Label 2-1656-1.1-c1-0-5
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  − 3.64·5-s + 3.17·7-s − 0.962·11-s + 5.85·13-s − 2.68·17-s − 5.50·19-s + 23-s + 8.29·25-s + 1.85·29-s − 1.85·31-s − 11.5·35-s − 6.67·37-s + 9.14·41-s + 7.57·43-s + 8.34·47-s + 3.06·49-s + 5.99·53-s + 3.50·55-s + 8.80·59-s + 1.03·61-s − 21.3·65-s − 1.08·67-s + 13.1·71-s + 13.2·73-s − 3.05·77-s − 4.53·79-s + 3.03·83-s + ⋯
L(s)  = 1  − 1.63·5-s + 1.19·7-s − 0.290·11-s + 1.62·13-s − 0.650·17-s − 1.26·19-s + 0.208·23-s + 1.65·25-s + 0.344·29-s − 0.333·31-s − 1.95·35-s − 1.09·37-s + 1.42·41-s + 1.15·43-s + 1.21·47-s + 0.438·49-s + 0.823·53-s + 0.473·55-s + 1.14·59-s + 0.132·61-s − 2.64·65-s − 0.132·67-s + 1.56·71-s + 1.54·73-s − 0.348·77-s − 0.510·79-s + 0.333·83-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

\(L(1)\) \(\approx\) \(1.397416418\)
\(L(\frac12)\) \(\approx\) \(1.397416418\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.64T + 5T^{2} \)
7 \( 1 - 3.17T + 7T^{2} \)
11 \( 1 + 0.962T + 11T^{2} \)
13 \( 1 - 5.85T + 13T^{2} \)
17 \( 1 + 2.68T + 17T^{2} \)
19 \( 1 + 5.50T + 19T^{2} \)
29 \( 1 - 1.85T + 29T^{2} \)
31 \( 1 + 1.85T + 31T^{2} \)
37 \( 1 + 6.67T + 37T^{2} \)
41 \( 1 - 9.14T + 41T^{2} \)
43 \( 1 - 7.57T + 43T^{2} \)
47 \( 1 - 8.34T + 47T^{2} \)
53 \( 1 - 5.99T + 53T^{2} \)
59 \( 1 - 8.80T + 59T^{2} \)
61 \( 1 - 1.03T + 61T^{2} \)
67 \( 1 + 1.08T + 67T^{2} \)
71 \( 1 - 13.1T + 71T^{2} \)
73 \( 1 - 13.2T + 73T^{2} \)
79 \( 1 + 4.53T + 79T^{2} \)
83 \( 1 - 3.03T + 83T^{2} \)
89 \( 1 - 3.10T + 89T^{2} \)
97 \( 1 - 11.6T + 97T^{2} \)
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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

−8.907623897003915517374242175020, −8.535755828067234901386556058033, −7.903600270083840939831545904076, −7.16975379785106820431463775448, −6.20100948603526199417911527081, −5.08007666409751281851777901243, −4.17048012551918526706498434461, −3.74406604071987552399917126355, −2.27917902063357244202890587596, −0.839319578561146761750320494131, 0.839319578561146761750320494131, 2.27917902063357244202890587596, 3.74406604071987552399917126355, 4.17048012551918526706498434461, 5.08007666409751281851777901243, 6.20100948603526199417911527081, 7.16975379785106820431463775448, 7.903600270083840939831545904076, 8.535755828067234901386556058033, 8.907623897003915517374242175020

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