Properties

Label 2-1620-1.1-c3-0-28
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5·5-s − 19.6·7-s + 29.1·11-s − 13.6·13-s − 39.0·17-s + 43.7·19-s + 159.·23-s + 25·25-s − 25.1·29-s − 116.·31-s + 98.1·35-s + 329.·37-s + 180.·41-s − 213.·43-s − 179.·47-s + 42.4·49-s + 60.8·53-s − 145.·55-s − 382.·59-s + 433.·61-s + 68.1·65-s + 125.·67-s − 30.0·71-s + 676.·73-s − 572.·77-s − 833.·79-s − 353.·83-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.06·7-s + 0.799·11-s − 0.290·13-s − 0.557·17-s + 0.528·19-s + 1.44·23-s + 0.200·25-s − 0.161·29-s − 0.676·31-s + 0.474·35-s + 1.46·37-s + 0.688·41-s − 0.757·43-s − 0.556·47-s + 0.123·49-s + 0.157·53-s − 0.357·55-s − 0.844·59-s + 0.910·61-s + 0.130·65-s + 0.228·67-s − 0.0502·71-s + 1.08·73-s − 0.847·77-s − 1.18·79-s − 0.467·83-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: \(1\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 19.6T + 343T^{2} \)
11 \( 1 - 29.1T + 1.33e3T^{2} \)
13 \( 1 + 13.6T + 2.19e3T^{2} \)
17 \( 1 + 39.0T + 4.91e3T^{2} \)
19 \( 1 - 43.7T + 6.85e3T^{2} \)
23 \( 1 - 159.T + 1.21e4T^{2} \)
29 \( 1 + 25.1T + 2.43e4T^{2} \)
31 \( 1 + 116.T + 2.97e4T^{2} \)
37 \( 1 - 329.T + 5.06e4T^{2} \)
41 \( 1 - 180.T + 6.89e4T^{2} \)
43 \( 1 + 213.T + 7.95e4T^{2} \)
47 \( 1 + 179.T + 1.03e5T^{2} \)
53 \( 1 - 60.8T + 1.48e5T^{2} \)
59 \( 1 + 382.T + 2.05e5T^{2} \)
61 \( 1 - 433.T + 2.26e5T^{2} \)
67 \( 1 - 125.T + 3.00e5T^{2} \)
71 \( 1 + 30.0T + 3.57e5T^{2} \)
73 \( 1 - 676.T + 3.89e5T^{2} \)
79 \( 1 + 833.T + 4.93e5T^{2} \)
83 \( 1 + 353.T + 5.71e5T^{2} \)
89 \( 1 + 948.T + 7.04e5T^{2} \)
97 \( 1 + 285.T + 9.12e5T^{2} \)
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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

−8.810945508707834938492069900602, −7.74662972488157448633493977661, −6.93729177726952350585945657068, −6.39667330769978101632280975753, −5.34058446483715289741403172676, −4.33456030899922310578026457219, −3.47457927272148315089367468525, −2.64837635614331669194645523081, −1.16948339386518633314267771451, 0, 1.16948339386518633314267771451, 2.64837635614331669194645523081, 3.47457927272148315089367468525, 4.33456030899922310578026457219, 5.34058446483715289741403172676, 6.39667330769978101632280975753, 6.93729177726952350585945657068, 7.74662972488157448633493977661, 8.810945508707834938492069900602

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