Properties

Label 2-1620-1.1-c3-0-24
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 + 24.6·7-s + 62.6·11-s + 59.6·13-s + 85.2·17-s − 75.1·19-s + 97.5·23-s + 25·25-s − 159.·29-s + 318.·31-s − 123.·35-s + 393.·37-s − 85.0·41-s − 40.7·43-s + 90.2·47-s + 262.·49-s − 691.·53-s − 313.·55-s − 283.·59-s − 432.·61-s − 298.·65-s + 308.·67-s − 302.·71-s − 457.·73-s + 1.54e3·77-s − 841.·79-s + 788.·83-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.32·7-s + 1.71·11-s + 1.27·13-s + 1.21·17-s − 0.907·19-s + 0.884·23-s + 0.200·25-s − 1.01·29-s + 1.84·31-s − 0.594·35-s + 1.74·37-s − 0.324·41-s − 0.144·43-s + 0.280·47-s + 0.764·49-s − 1.79·53-s − 0.767·55-s − 0.625·59-s − 0.907·61-s − 0.569·65-s + 0.562·67-s − 0.505·71-s − 0.733·73-s + 2.28·77-s − 1.19·79-s + 1.04·83-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

\(L(2)\) \(\approx\) \(3.276024155\)
\(L(\frac12)\) \(\approx\) \(3.276024155\)
\(L(\frac{5}{2})\) 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 \( 1 - 24.6T + 343T^{2} \)
11 \( 1 - 62.6T + 1.33e3T^{2} \)
13 \( 1 - 59.6T + 2.19e3T^{2} \)
17 \( 1 - 85.2T + 4.91e3T^{2} \)
19 \( 1 + 75.1T + 6.85e3T^{2} \)
23 \( 1 - 97.5T + 1.21e4T^{2} \)
29 \( 1 + 159.T + 2.43e4T^{2} \)
31 \( 1 - 318.T + 2.97e4T^{2} \)
37 \( 1 - 393.T + 5.06e4T^{2} \)
41 \( 1 + 85.0T + 6.89e4T^{2} \)
43 \( 1 + 40.7T + 7.95e4T^{2} \)
47 \( 1 - 90.2T + 1.03e5T^{2} \)
53 \( 1 + 691.T + 1.48e5T^{2} \)
59 \( 1 + 283.T + 2.05e5T^{2} \)
61 \( 1 + 432.T + 2.26e5T^{2} \)
67 \( 1 - 308.T + 3.00e5T^{2} \)
71 \( 1 + 302.T + 3.57e5T^{2} \)
73 \( 1 + 457.T + 3.89e5T^{2} \)
79 \( 1 + 841.T + 4.93e5T^{2} \)
83 \( 1 - 788.T + 5.71e5T^{2} \)
89 \( 1 + 1.11e3T + 7.04e5T^{2} \)
97 \( 1 - 1.19e3T + 9.12e5T^{2} \)
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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

−8.876239896109957749123577998977, −8.253244225801462976690129349044, −7.61075691782560908910632718402, −6.53360699024634576973102063085, −5.89796385029119922604983070847, −4.66939704816952830553052333402, −4.10490707319342207677877877499, −3.13750902029127876448362537871, −1.56885345394106062950242749786, −1.01570011958784443556124629417, 1.01570011958784443556124629417, 1.56885345394106062950242749786, 3.13750902029127876448362537871, 4.10490707319342207677877877499, 4.66939704816952830553052333402, 5.89796385029119922604983070847, 6.53360699024634576973102063085, 7.61075691782560908910632718402, 8.253244225801462976690129349044, 8.876239896109957749123577998977

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