Properties

Label 2-1620-1.1-c3-0-6
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 − 10.4·7-s + 33.3·11-s − 23.9·13-s − 72.5·17-s − 45.9·19-s − 163.·23-s + 25·25-s − 30.9·29-s + 304.·31-s + 52.4·35-s + 150.·37-s + 409.·41-s − 249.·43-s + 155.·47-s − 233.·49-s − 263.·53-s − 166.·55-s + 245.·59-s − 466.·61-s + 119.·65-s − 177.·67-s − 45.2·71-s − 949.·73-s − 349.·77-s + 496.·79-s − 354.·83-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.565·7-s + 0.913·11-s − 0.510·13-s − 1.03·17-s − 0.555·19-s − 1.47·23-s + 0.200·25-s − 0.198·29-s + 1.76·31-s + 0.253·35-s + 0.667·37-s + 1.55·41-s − 0.883·43-s + 0.483·47-s − 0.679·49-s − 0.681·53-s − 0.408·55-s + 0.542·59-s − 0.979·61-s + 0.228·65-s − 0.322·67-s − 0.0755·71-s − 1.52·73-s − 0.517·77-s + 0.707·79-s − 0.468·83-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

\(L(2)\) \(\approx\) \(1.290816485\)
\(L(\frac12)\) \(\approx\) \(1.290816485\)
\(L(\frac{5}{2})\) 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 \( 1 + 10.4T + 343T^{2} \)
11 \( 1 - 33.3T + 1.33e3T^{2} \)
13 \( 1 + 23.9T + 2.19e3T^{2} \)
17 \( 1 + 72.5T + 4.91e3T^{2} \)
19 \( 1 + 45.9T + 6.85e3T^{2} \)
23 \( 1 + 163.T + 1.21e4T^{2} \)
29 \( 1 + 30.9T + 2.43e4T^{2} \)
31 \( 1 - 304.T + 2.97e4T^{2} \)
37 \( 1 - 150.T + 5.06e4T^{2} \)
41 \( 1 - 409.T + 6.89e4T^{2} \)
43 \( 1 + 249.T + 7.95e4T^{2} \)
47 \( 1 - 155.T + 1.03e5T^{2} \)
53 \( 1 + 263.T + 1.48e5T^{2} \)
59 \( 1 - 245.T + 2.05e5T^{2} \)
61 \( 1 + 466.T + 2.26e5T^{2} \)
67 \( 1 + 177.T + 3.00e5T^{2} \)
71 \( 1 + 45.2T + 3.57e5T^{2} \)
73 \( 1 + 949.T + 3.89e5T^{2} \)
79 \( 1 - 496.T + 4.93e5T^{2} \)
83 \( 1 + 354.T + 5.71e5T^{2} \)
89 \( 1 - 1.19e3T + 7.04e5T^{2} \)
97 \( 1 + 408.T + 9.12e5T^{2} \)
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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

−9.055356718068312149742291520433, −8.250686483204448209752112197481, −7.45039824810857017071487002544, −6.47281729104291634897038572007, −6.08262228253038984712305396696, −4.60475997368134007488671670644, −4.12282446076675879416946561903, −3.00876518651320113695130015563, −1.96056593115746893903930804758, −0.53072958907659564416184735706, 0.53072958907659564416184735706, 1.96056593115746893903930804758, 3.00876518651320113695130015563, 4.12282446076675879416946561903, 4.60475997368134007488671670644, 6.08262228253038984712305396696, 6.47281729104291634897038572007, 7.45039824810857017071487002544, 8.250686483204448209752112197481, 9.055356718068312149742291520433

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