Properties

Label 2-2420-1.1-c1-0-12
Degree $2$
Conductor $2420$
Sign $1$
Analytic cond. $19.3237$
Root an. cond. $4.39588$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s + 4·7-s − 3·9-s + 4·13-s − 4·17-s + 8·19-s + 4·23-s + 25-s − 8·29-s − 4·31-s − 4·35-s + 6·37-s − 8·41-s + 4·43-s + 3·45-s + 12·47-s + 9·49-s − 10·53-s + 8·61-s − 12·63-s − 4·65-s + 8·67-s + 12·71-s + 12·73-s − 8·79-s + 9·81-s + 4·83-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.51·7-s − 9-s + 1.10·13-s − 0.970·17-s + 1.83·19-s + 0.834·23-s + 1/5·25-s − 1.48·29-s − 0.718·31-s − 0.676·35-s + 0.986·37-s − 1.24·41-s + 0.609·43-s + 0.447·45-s + 1.75·47-s + 9/7·49-s − 1.37·53-s + 1.02·61-s − 1.51·63-s − 0.496·65-s + 0.977·67-s + 1.42·71-s + 1.40·73-s − 0.900·79-s + 81-s + 0.439·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2420 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2420 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2420\)    =    \(2^{2} \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(19.3237\)
Root analytic conductor: \(4.39588\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2420,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.947074675\)
\(L(\frac12)\) \(\approx\) \(1.947074675\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
11 \( 1 \)
good3 \( 1 + p T^{2} \)
7 \( 1 - 4 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 - 8 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 8 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 8 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 - 12 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 12 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−8.897134461504400081047923465652, −8.128357942356163602517691543555, −7.63730249514195677328277080991, −6.72371044468655346592672834809, −5.55512436880508977002270669134, −5.18314326934068116473020730219, −4.09939457313647273796966014465, −3.27168532579693518607528405834, −2.08585037934978704873298400028, −0.932352676039322010550134153758, 0.932352676039322010550134153758, 2.08585037934978704873298400028, 3.27168532579693518607528405834, 4.09939457313647273796966014465, 5.18314326934068116473020730219, 5.55512436880508977002270669134, 6.72371044468655346592672834809, 7.63730249514195677328277080991, 8.128357942356163602517691543555, 8.897134461504400081047923465652

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