Properties

Label 2-1656-1.1-c1-0-0
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 − 4.81·7-s − 2.68·11-s − 3.85·13-s − 0.962·17-s + 4.21·19-s + 23-s + 8.29·25-s − 7.85·29-s + 7.85·31-s + 17.5·35-s + 11.0·37-s − 0.564·41-s − 5.57·43-s − 7.63·47-s + 16.2·49-s − 9.99·53-s + 9.78·55-s + 15.0·59-s − 0.683·61-s + 14.0·65-s − 10.7·67-s + 3.43·71-s + 0.0692·73-s + 12.9·77-s + 6.89·79-s + 1.31·83-s + ⋯
L(s)  = 1  − 1.63·5-s − 1.82·7-s − 0.808·11-s − 1.06·13-s − 0.233·17-s + 0.965·19-s + 0.208·23-s + 1.65·25-s − 1.45·29-s + 1.41·31-s + 2.96·35-s + 1.81·37-s − 0.0881·41-s − 0.850·43-s − 1.11·47-s + 2.31·49-s − 1.37·53-s + 1.31·55-s + 1.96·59-s − 0.0874·61-s + 1.74·65-s − 1.31·67-s + 0.407·71-s + 0.00809·73-s + 1.47·77-s + 0.775·79-s + 0.144·83-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

\(L(1)\) \(\approx\) \(0.4399946533\)
\(L(\frac12)\) \(\approx\) \(0.4399946533\)
\(L(\frac{3}{2})\) 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 \( 1 + 4.81T + 7T^{2} \)
11 \( 1 + 2.68T + 11T^{2} \)
13 \( 1 + 3.85T + 13T^{2} \)
17 \( 1 + 0.962T + 17T^{2} \)
19 \( 1 - 4.21T + 19T^{2} \)
29 \( 1 + 7.85T + 29T^{2} \)
31 \( 1 - 7.85T + 31T^{2} \)
37 \( 1 - 11.0T + 37T^{2} \)
41 \( 1 + 0.564T + 41T^{2} \)
43 \( 1 + 5.57T + 43T^{2} \)
47 \( 1 + 7.63T + 47T^{2} \)
53 \( 1 + 9.99T + 53T^{2} \)
59 \( 1 - 15.0T + 59T^{2} \)
61 \( 1 + 0.683T + 61T^{2} \)
67 \( 1 + 10.7T + 67T^{2} \)
71 \( 1 - 3.43T + 71T^{2} \)
73 \( 1 - 0.0692T + 73T^{2} \)
79 \( 1 - 6.89T + 79T^{2} \)
83 \( 1 - 1.31T + 83T^{2} \)
89 \( 1 + 18.0T + 89T^{2} \)
97 \( 1 + 4.34T + 97T^{2} \)
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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

−9.652049944649474248933162544362, −8.448419118267457577622877320340, −7.65532656172746915817450844591, −7.14599231434141163625322814976, −6.29969500994134544357818868861, −5.17154040891347038467005934711, −4.23264800239355596431387321852, −3.30196608656036334556057222580, −2.73802757805101640722428546120, −0.42996775403763656668975048722, 0.42996775403763656668975048722, 2.73802757805101640722428546120, 3.30196608656036334556057222580, 4.23264800239355596431387321852, 5.17154040891347038467005934711, 6.29969500994134544357818868861, 7.14599231434141163625322814976, 7.65532656172746915817450844591, 8.448419118267457577622877320340, 9.652049944649474248933162544362

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