Properties

Label 2-320-1.1-c5-0-2
Degree $2$
Conductor $320$
Sign $1$
Analytic cond. $51.3228$
Root an. cond. $7.16399$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 28.7·3-s − 25·5-s + 42.1·7-s + 581.·9-s + 416.·11-s − 966.·13-s + 717.·15-s − 1.83e3·17-s + 317.·19-s − 1.21e3·21-s − 1.56e3·23-s + 625·25-s − 9.72e3·27-s − 7.75e3·29-s − 102.·31-s − 1.19e4·33-s − 1.05e3·35-s − 1.93e3·37-s + 2.77e4·39-s + 7.99e3·41-s + 1.65e4·43-s − 1.45e4·45-s − 1.86e4·47-s − 1.50e4·49-s + 5.26e4·51-s + 1.49e4·53-s − 1.04e4·55-s + ⋯
L(s)  = 1  − 1.84·3-s − 0.447·5-s + 0.325·7-s + 2.39·9-s + 1.03·11-s − 1.58·13-s + 0.823·15-s − 1.53·17-s + 0.201·19-s − 0.598·21-s − 0.618·23-s + 0.200·25-s − 2.56·27-s − 1.71·29-s − 0.0191·31-s − 1.91·33-s − 0.145·35-s − 0.232·37-s + 2.92·39-s + 0.742·41-s + 1.36·43-s − 1.07·45-s − 1.23·47-s − 0.894·49-s + 2.83·51-s + 0.732·53-s − 0.463·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(0.5140267690\)
\(L(\frac12)\) \(\approx\) \(0.5140267690\)
\(L(\frac{7}{2})\) 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 \( 1 + 25T \)
good3 \( 1 + 28.7T + 243T^{2} \)
7 \( 1 - 42.1T + 1.68e4T^{2} \)
11 \( 1 - 416.T + 1.61e5T^{2} \)
13 \( 1 + 966.T + 3.71e5T^{2} \)
17 \( 1 + 1.83e3T + 1.41e6T^{2} \)
19 \( 1 - 317.T + 2.47e6T^{2} \)
23 \( 1 + 1.56e3T + 6.43e6T^{2} \)
29 \( 1 + 7.75e3T + 2.05e7T^{2} \)
31 \( 1 + 102.T + 2.86e7T^{2} \)
37 \( 1 + 1.93e3T + 6.93e7T^{2} \)
41 \( 1 - 7.99e3T + 1.15e8T^{2} \)
43 \( 1 - 1.65e4T + 1.47e8T^{2} \)
47 \( 1 + 1.86e4T + 2.29e8T^{2} \)
53 \( 1 - 1.49e4T + 4.18e8T^{2} \)
59 \( 1 - 1.98e4T + 7.14e8T^{2} \)
61 \( 1 - 1.80e4T + 8.44e8T^{2} \)
67 \( 1 + 5.50e4T + 1.35e9T^{2} \)
71 \( 1 + 1.12e4T + 1.80e9T^{2} \)
73 \( 1 + 4.01e3T + 2.07e9T^{2} \)
79 \( 1 + 2.40e4T + 3.07e9T^{2} \)
83 \( 1 - 7.05e4T + 3.93e9T^{2} \)
89 \( 1 + 6.07e4T + 5.58e9T^{2} \)
97 \( 1 + 3.11e4T + 8.58e9T^{2} \)
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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

−11.17039489028888081665863518308, −10.07232889159633244450729000728, −9.156794434106760203005833986952, −7.52779450447425965411115466863, −6.84725548450668614614820075779, −5.86244249313087855533492365488, −4.80800933717296692884006675698, −4.10755567594702296064159804403, −1.89234229947156225829846304425, −0.43098465786418360566905094916, 0.43098465786418360566905094916, 1.89234229947156225829846304425, 4.10755567594702296064159804403, 4.80800933717296692884006675698, 5.86244249313087855533492365488, 6.84725548450668614614820075779, 7.52779450447425965411115466863, 9.156794434106760203005833986952, 10.07232889159633244450729000728, 11.17039489028888081665863518308

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