Properties

Label 2-1620-1.1-c3-0-33
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 + 1.21·7-s − 33.6·11-s + 77.5·13-s − 73.2·17-s + 39.2·19-s − 35.2·23-s + 25·25-s + 15.7·29-s + 52.3·31-s − 6.06·35-s − 67.1·37-s + 25.0·41-s − 31.7·43-s + 412.·47-s − 341.·49-s − 54.7·53-s + 168.·55-s − 515.·59-s + 862.·61-s − 387.·65-s − 367.·67-s + 930.·71-s − 797.·73-s − 40.7·77-s − 85.5·79-s − 91.9·83-s + ⋯
L(s)  = 1  − 0.447·5-s + 0.0654·7-s − 0.921·11-s + 1.65·13-s − 1.04·17-s + 0.473·19-s − 0.319·23-s + 0.200·25-s + 0.101·29-s + 0.303·31-s − 0.0292·35-s − 0.298·37-s + 0.0953·41-s − 0.112·43-s + 1.27·47-s − 0.995·49-s − 0.141·53-s + 0.412·55-s − 1.13·59-s + 1.81·61-s − 0.740·65-s − 0.670·67-s + 1.55·71-s − 1.27·73-s − 0.0603·77-s − 0.121·79-s − 0.121·83-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 \( 1 - 1.21T + 343T^{2} \)
11 \( 1 + 33.6T + 1.33e3T^{2} \)
13 \( 1 - 77.5T + 2.19e3T^{2} \)
17 \( 1 + 73.2T + 4.91e3T^{2} \)
19 \( 1 - 39.2T + 6.85e3T^{2} \)
23 \( 1 + 35.2T + 1.21e4T^{2} \)
29 \( 1 - 15.7T + 2.43e4T^{2} \)
31 \( 1 - 52.3T + 2.97e4T^{2} \)
37 \( 1 + 67.1T + 5.06e4T^{2} \)
41 \( 1 - 25.0T + 6.89e4T^{2} \)
43 \( 1 + 31.7T + 7.95e4T^{2} \)
47 \( 1 - 412.T + 1.03e5T^{2} \)
53 \( 1 + 54.7T + 1.48e5T^{2} \)
59 \( 1 + 515.T + 2.05e5T^{2} \)
61 \( 1 - 862.T + 2.26e5T^{2} \)
67 \( 1 + 367.T + 3.00e5T^{2} \)
71 \( 1 - 930.T + 3.57e5T^{2} \)
73 \( 1 + 797.T + 3.89e5T^{2} \)
79 \( 1 + 85.5T + 4.93e5T^{2} \)
83 \( 1 + 91.9T + 5.71e5T^{2} \)
89 \( 1 + 888.T + 7.04e5T^{2} \)
97 \( 1 - 333.T + 9.12e5T^{2} \)
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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

−8.504876514328364478120089849612, −7.998330555485162549997441855577, −7.03567817588727025687454947278, −6.21210259937142090103756390795, −5.35807585071460929614729146835, −4.36870472057222436944668857329, −3.54666514362136180679345923488, −2.51706589080580863077742100334, −1.25260398047175593072894494025, 0, 1.25260398047175593072894494025, 2.51706589080580863077742100334, 3.54666514362136180679345923488, 4.36870472057222436944668857329, 5.35807585071460929614729146835, 6.21210259937142090103756390795, 7.03567817588727025687454947278, 7.998330555485162549997441855577, 8.504876514328364478120089849612

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