Properties

Label 2-320-1.1-c3-0-17
Degree $2$
Conductor $320$
Sign $-1$
Analytic cond. $18.8806$
Root an. cond. $4.34518$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s + 5·5-s − 6·7-s − 23·9-s + 60·11-s − 50·13-s − 10·15-s − 30·17-s + 40·19-s + 12·21-s − 178·23-s + 25·25-s + 100·27-s − 166·29-s − 20·31-s − 120·33-s − 30·35-s − 10·37-s + 100·39-s − 250·41-s + 142·43-s − 115·45-s − 214·47-s − 307·49-s + 60·51-s − 490·53-s + 300·55-s + ⋯
L(s)  = 1  − 0.384·3-s + 0.447·5-s − 0.323·7-s − 0.851·9-s + 1.64·11-s − 1.06·13-s − 0.172·15-s − 0.428·17-s + 0.482·19-s + 0.124·21-s − 1.61·23-s + 1/5·25-s + 0.712·27-s − 1.06·29-s − 0.115·31-s − 0.633·33-s − 0.144·35-s − 0.0444·37-s + 0.410·39-s − 0.952·41-s + 0.503·43-s − 0.380·45-s − 0.664·47-s − 0.895·49-s + 0.164·51-s − 1.26·53-s + 0.735·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $-1$
Analytic conductor: \(18.8806\)
Root analytic conductor: \(4.34518\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 320,\ (\ :3/2),\ -1)\)

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 \( 1 \)
5 \( 1 - p T \)
good3 \( 1 + 2 T + p^{3} T^{2} \)
7 \( 1 + 6 T + p^{3} T^{2} \)
11 \( 1 - 60 T + p^{3} T^{2} \)
13 \( 1 + 50 T + p^{3} T^{2} \)
17 \( 1 + 30 T + p^{3} T^{2} \)
19 \( 1 - 40 T + p^{3} T^{2} \)
23 \( 1 + 178 T + p^{3} T^{2} \)
29 \( 1 + 166 T + p^{3} T^{2} \)
31 \( 1 + 20 T + p^{3} T^{2} \)
37 \( 1 + 10 T + p^{3} T^{2} \)
41 \( 1 + 250 T + p^{3} T^{2} \)
43 \( 1 - 142 T + p^{3} T^{2} \)
47 \( 1 + 214 T + p^{3} T^{2} \)
53 \( 1 + 490 T + p^{3} T^{2} \)
59 \( 1 + 800 T + p^{3} T^{2} \)
61 \( 1 + 250 T + p^{3} T^{2} \)
67 \( 1 + 774 T + p^{3} T^{2} \)
71 \( 1 + 100 T + p^{3} T^{2} \)
73 \( 1 + 230 T + p^{3} T^{2} \)
79 \( 1 - 1320 T + p^{3} T^{2} \)
83 \( 1 - 982 T + p^{3} T^{2} \)
89 \( 1 - 874 T + p^{3} T^{2} \)
97 \( 1 + 310 T + p^{3} T^{2} \)
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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

−10.80955299354140111544658257243, −9.632865999917779694518672265143, −9.137331091314926591834385597847, −7.82969450661548265181638527568, −6.58691942210092228967766333516, −5.93359824859044477961355494389, −4.70877250257756646000235120019, −3.35755090485553896551599009385, −1.83584664853183369017185571194, 0, 1.83584664853183369017185571194, 3.35755090485553896551599009385, 4.70877250257756646000235120019, 5.93359824859044477961355494389, 6.58691942210092228967766333516, 7.82969450661548265181638527568, 9.137331091314926591834385597847, 9.632865999917779694518672265143, 10.80955299354140111544658257243

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