Properties

Label 2-1656-1.1-c3-0-28
Degree $2$
Conductor $1656$
Sign $1$
Analytic cond. $97.7071$
Root an. cond. $9.88469$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6.18·5-s + 22.9·7-s + 4.37·11-s − 70.0·13-s − 83.2·17-s + 158.·19-s − 23·23-s − 86.7·25-s + 25.4·29-s + 179.·31-s + 141.·35-s + 35.1·37-s + 209.·41-s + 439.·43-s + 276.·47-s + 182.·49-s − 236.·53-s + 27.0·55-s − 786.·59-s + 706.·61-s − 433.·65-s + 307.·67-s + 723.·71-s + 553.·73-s + 100.·77-s + 153.·79-s − 386.·83-s + ⋯
L(s)  = 1  + 0.552·5-s + 1.23·7-s + 0.119·11-s − 1.49·13-s − 1.18·17-s + 1.91·19-s − 0.208·23-s − 0.694·25-s + 0.162·29-s + 1.04·31-s + 0.684·35-s + 0.156·37-s + 0.797·41-s + 1.56·43-s + 0.857·47-s + 0.532·49-s − 0.612·53-s + 0.0662·55-s − 1.73·59-s + 1.48·61-s − 0.826·65-s + 0.560·67-s + 1.20·71-s + 0.886·73-s + 0.148·77-s + 0.218·79-s − 0.510·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1656\)    =    \(2^{3} \cdot 3^{2} \cdot 23\)
Sign: $1$
Analytic conductor: \(97.7071\)
Root analytic conductor: \(9.88469\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1656,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.776648008\)
\(L(\frac12)\) \(\approx\) \(2.776648008\)
\(L(\frac{5}{2})\) 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 \( 1 + 23T \)
good5 \( 1 - 6.18T + 125T^{2} \)
7 \( 1 - 22.9T + 343T^{2} \)
11 \( 1 - 4.37T + 1.33e3T^{2} \)
13 \( 1 + 70.0T + 2.19e3T^{2} \)
17 \( 1 + 83.2T + 4.91e3T^{2} \)
19 \( 1 - 158.T + 6.85e3T^{2} \)
29 \( 1 - 25.4T + 2.43e4T^{2} \)
31 \( 1 - 179.T + 2.97e4T^{2} \)
37 \( 1 - 35.1T + 5.06e4T^{2} \)
41 \( 1 - 209.T + 6.89e4T^{2} \)
43 \( 1 - 439.T + 7.95e4T^{2} \)
47 \( 1 - 276.T + 1.03e5T^{2} \)
53 \( 1 + 236.T + 1.48e5T^{2} \)
59 \( 1 + 786.T + 2.05e5T^{2} \)
61 \( 1 - 706.T + 2.26e5T^{2} \)
67 \( 1 - 307.T + 3.00e5T^{2} \)
71 \( 1 - 723.T + 3.57e5T^{2} \)
73 \( 1 - 553.T + 3.89e5T^{2} \)
79 \( 1 - 153.T + 4.93e5T^{2} \)
83 \( 1 + 386.T + 5.71e5T^{2} \)
89 \( 1 - 1.51e3T + 7.04e5T^{2} \)
97 \( 1 - 397.T + 9.12e5T^{2} \)
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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

−9.244164792882923032365301496727, −8.007753024027030015974131700705, −7.58933478412129392309926509405, −6.64521609847727747005991835222, −5.57969812961892755848886012113, −4.93939841232866133958399163186, −4.18250041455324463365333168118, −2.71085715341169064523269117222, −1.98068534471254867158603140772, −0.810473413013610028552218869443, 0.810473413013610028552218869443, 1.98068534471254867158603140772, 2.71085715341169064523269117222, 4.18250041455324463365333168118, 4.93939841232866133958399163186, 5.57969812961892755848886012113, 6.64521609847727747005991835222, 7.58933478412129392309926509405, 8.007753024027030015974131700705, 9.244164792882923032365301496727

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