Properties

Label 2-320-1.1-c5-0-28
Degree $2$
Conductor $320$
Sign $1$
Analytic cond. $51.3228$
Root an. cond. $7.16399$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 26·3-s + 25·5-s − 22·7-s + 433·9-s + 768·11-s + 46·13-s + 650·15-s + 378·17-s − 1.10e3·19-s − 572·21-s − 1.98e3·23-s + 625·25-s + 4.94e3·27-s + 5.61e3·29-s − 3.98e3·31-s + 1.99e4·33-s − 550·35-s + 142·37-s + 1.19e3·39-s + 1.54e3·41-s + 5.02e3·43-s + 1.08e4·45-s + 2.47e4·47-s − 1.63e4·49-s + 9.82e3·51-s + 1.41e4·53-s + 1.92e4·55-s + ⋯
L(s)  = 1  + 1.66·3-s + 0.447·5-s − 0.169·7-s + 1.78·9-s + 1.91·11-s + 0.0754·13-s + 0.745·15-s + 0.317·17-s − 0.699·19-s − 0.283·21-s − 0.782·23-s + 1/5·25-s + 1.30·27-s + 1.23·29-s − 0.745·31-s + 3.19·33-s − 0.0758·35-s + 0.0170·37-s + 0.125·39-s + 0.143·41-s + 0.414·43-s + 0.796·45-s + 1.63·47-s − 0.971·49-s + 0.529·51-s + 0.692·53-s + 0.855·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $1$
Analytic conductor: \(51.3228\)
Root analytic conductor: \(7.16399\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(4.767878975\)
\(L(\frac12)\) \(\approx\) \(4.767878975\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - p^{2} T \)
good3 \( 1 - 26 T + p^{5} T^{2} \)
7 \( 1 + 22 T + p^{5} T^{2} \)
11 \( 1 - 768 T + p^{5} T^{2} \)
13 \( 1 - 46 T + p^{5} T^{2} \)
17 \( 1 - 378 T + p^{5} T^{2} \)
19 \( 1 + 1100 T + p^{5} T^{2} \)
23 \( 1 + 1986 T + p^{5} T^{2} \)
29 \( 1 - 5610 T + p^{5} T^{2} \)
31 \( 1 + 3988 T + p^{5} T^{2} \)
37 \( 1 - 142 T + p^{5} T^{2} \)
41 \( 1 - 1542 T + p^{5} T^{2} \)
43 \( 1 - 5026 T + p^{5} T^{2} \)
47 \( 1 - 24738 T + p^{5} T^{2} \)
53 \( 1 - 14166 T + p^{5} T^{2} \)
59 \( 1 + 28380 T + p^{5} T^{2} \)
61 \( 1 + 5522 T + p^{5} T^{2} \)
67 \( 1 - 24742 T + p^{5} T^{2} \)
71 \( 1 - 42372 T + p^{5} T^{2} \)
73 \( 1 + 52126 T + p^{5} T^{2} \)
79 \( 1 + 39640 T + p^{5} T^{2} \)
83 \( 1 - 59826 T + p^{5} T^{2} \)
89 \( 1 - 57690 T + p^{5} T^{2} \)
97 \( 1 + 144382 T + p^{5} T^{2} \)
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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

−10.50446902196574609886593178524, −9.510914281513391269508311421038, −9.010110270821797005604921733042, −8.180622549742516704345039285383, −7.04696844486215978983093381058, −6.12384420774176281637390667392, −4.31294132847972193878347449497, −3.52350300058836493940716383796, −2.31173863468691626941315811956, −1.27931130529056451578977111122, 1.27931130529056451578977111122, 2.31173863468691626941315811956, 3.52350300058836493940716383796, 4.31294132847972193878347449497, 6.12384420774176281637390667392, 7.04696844486215978983093381058, 8.180622549742516704345039285383, 9.010110270821797005604921733042, 9.510914281513391269508311421038, 10.50446902196574609886593178524

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