Properties

Label 2-1656-1.1-c1-0-9
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  + 1.64·5-s − 1.01·7-s + 5.21·11-s + 2.55·13-s − 3.56·17-s + 3.09·19-s + 23-s − 2.29·25-s − 1.44·29-s + 1.44·31-s − 1.66·35-s + 6.10·37-s − 4.73·41-s + 11.3·43-s − 0.0221·47-s − 5.97·49-s − 7.66·53-s + 8.57·55-s + 3.28·59-s + 7.21·61-s + 4.20·65-s + 11.4·67-s − 0.736·71-s + 11.6·73-s − 5.26·77-s − 2.12·79-s + 9.21·83-s + ⋯
L(s)  = 1  + 0.736·5-s − 0.382·7-s + 1.57·11-s + 0.708·13-s − 0.864·17-s + 0.709·19-s + 0.208·23-s − 0.458·25-s − 0.268·29-s + 0.259·31-s − 0.281·35-s + 1.00·37-s − 0.739·41-s + 1.72·43-s − 0.00323·47-s − 0.853·49-s − 1.05·53-s + 1.15·55-s + 0.427·59-s + 0.923·61-s + 0.521·65-s + 1.40·67-s − 0.0874·71-s + 1.36·73-s − 0.600·77-s − 0.238·79-s + 1.01·83-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

\(L(1)\) \(\approx\) \(2.132251218\)
\(L(\frac12)\) \(\approx\) \(2.132251218\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.64T + 5T^{2} \)
7 \( 1 + 1.01T + 7T^{2} \)
11 \( 1 - 5.21T + 11T^{2} \)
13 \( 1 - 2.55T + 13T^{2} \)
17 \( 1 + 3.56T + 17T^{2} \)
19 \( 1 - 3.09T + 19T^{2} \)
29 \( 1 + 1.44T + 29T^{2} \)
31 \( 1 - 1.44T + 31T^{2} \)
37 \( 1 - 6.10T + 37T^{2} \)
41 \( 1 + 4.73T + 41T^{2} \)
43 \( 1 - 11.3T + 43T^{2} \)
47 \( 1 + 0.0221T + 47T^{2} \)
53 \( 1 + 7.66T + 53T^{2} \)
59 \( 1 - 3.28T + 59T^{2} \)
61 \( 1 - 7.21T + 61T^{2} \)
67 \( 1 - 11.4T + 67T^{2} \)
71 \( 1 + 0.736T + 71T^{2} \)
73 \( 1 - 11.6T + 73T^{2} \)
79 \( 1 + 2.12T + 79T^{2} \)
83 \( 1 - 9.21T + 83T^{2} \)
89 \( 1 - 7.96T + 89T^{2} \)
97 \( 1 + 7.31T + 97T^{2} \)
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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

−9.418134157934308153180063701318, −8.800463077767531576557343659063, −7.80043737064005751930431914699, −6.65259535248385408401204668964, −6.33351486464901867062461929631, −5.40267508800869926011251159297, −4.24884199433736633489853412250, −3.47014598135513149805331511785, −2.20683097657931626766559044537, −1.09761180930441354968088151586, 1.09761180930441354968088151586, 2.20683097657931626766559044537, 3.47014598135513149805331511785, 4.24884199433736633489853412250, 5.40267508800869926011251159297, 6.33351486464901867062461929631, 6.65259535248385408401204668964, 7.80043737064005751930431914699, 8.800463077767531576557343659063, 9.418134157934308153180063701318

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