Properties

Label 2-1620-1.1-c3-0-3
Degree $2$
Conductor $1620$
Sign $1$
Analytic cond. $95.5830$
Root an. cond. $9.77666$
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  + 5·5-s − 26.8·7-s − 46.6·11-s + 1.21·13-s − 87.2·17-s − 125.·19-s + 7.16·23-s + 25·25-s − 43.8·29-s + 140.·31-s − 134.·35-s − 187.·37-s + 239.·41-s + 457.·43-s + 25.6·47-s + 376.·49-s + 82.8·53-s − 233.·55-s − 739.·59-s − 28.6·61-s + 6.05·65-s − 126.·67-s + 611.·71-s + 983.·73-s + 1.25e3·77-s + 372.·79-s − 693.·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.44·7-s − 1.27·11-s + 0.0258·13-s − 1.24·17-s − 1.51·19-s + 0.0649·23-s + 0.200·25-s − 0.280·29-s + 0.813·31-s − 0.647·35-s − 0.831·37-s + 0.913·41-s + 1.62·43-s + 0.0794·47-s + 1.09·49-s + 0.214·53-s − 0.571·55-s − 1.63·59-s − 0.0600·61-s + 0.0115·65-s − 0.230·67-s + 1.02·71-s + 1.57·73-s + 1.85·77-s + 0.530·79-s − 0.916·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $1$
Analytic conductor: \(95.5830\)
Root analytic conductor: \(9.77666\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.8844272222\)
\(L(\frac12)\) \(\approx\) \(0.8844272222\)
\(L(\frac{5}{2})\) 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 \( 1 \)
5 \( 1 - 5T \)
good7 \( 1 + 26.8T + 343T^{2} \)
11 \( 1 + 46.6T + 1.33e3T^{2} \)
13 \( 1 - 1.21T + 2.19e3T^{2} \)
17 \( 1 + 87.2T + 4.91e3T^{2} \)
19 \( 1 + 125.T + 6.85e3T^{2} \)
23 \( 1 - 7.16T + 1.21e4T^{2} \)
29 \( 1 + 43.8T + 2.43e4T^{2} \)
31 \( 1 - 140.T + 2.97e4T^{2} \)
37 \( 1 + 187.T + 5.06e4T^{2} \)
41 \( 1 - 239.T + 6.89e4T^{2} \)
43 \( 1 - 457.T + 7.95e4T^{2} \)
47 \( 1 - 25.6T + 1.03e5T^{2} \)
53 \( 1 - 82.8T + 1.48e5T^{2} \)
59 \( 1 + 739.T + 2.05e5T^{2} \)
61 \( 1 + 28.6T + 2.26e5T^{2} \)
67 \( 1 + 126.T + 3.00e5T^{2} \)
71 \( 1 - 611.T + 3.57e5T^{2} \)
73 \( 1 - 983.T + 3.89e5T^{2} \)
79 \( 1 - 372.T + 4.93e5T^{2} \)
83 \( 1 + 693.T + 5.71e5T^{2} \)
89 \( 1 - 873.T + 7.04e5T^{2} \)
97 \( 1 + 82.7T + 9.12e5T^{2} \)
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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

−9.121143993788365547165121508328, −8.345586933821936458320554870946, −7.33536442213888014818338721019, −6.45666109091250733751057136393, −6.00490437244136439881974239257, −4.90713799594990899045031791510, −3.96038143308473976700306512583, −2.80396059434008486668938981354, −2.18753538274157302000738077523, −0.42014222554540192525997178951, 0.42014222554540192525997178951, 2.18753538274157302000738077523, 2.80396059434008486668938981354, 3.96038143308473976700306512583, 4.90713799594990899045031791510, 6.00490437244136439881974239257, 6.45666109091250733751057136393, 7.33536442213888014818338721019, 8.345586933821936458320554870946, 9.121143993788365547165121508328

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