Properties

Label 2-2420-1.1-c1-0-2
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

\(L(1)\) \(\approx\) \(0.7719498979\)
\(L(\frac12)\) \(\approx\) \(0.7719498979\)
\(L(\frac{3}{2})\) 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

−9.034834451058096715126853018952, −8.201585180178097915446335336855, −7.41467720526900238136829562725, −6.54090656858216715668913346690, −6.01499620829364709574074390058, −5.00415614765738623982384006360, −4.03973384262460596898424780787, −3.05788151016232052911799299337, −2.50546757714043366766933909453, −0.52619618336172832018243132876, 0.52619618336172832018243132876, 2.50546757714043366766933909453, 3.05788151016232052911799299337, 4.03973384262460596898424780787, 5.00415614765738623982384006360, 6.01499620829364709574074390058, 6.54090656858216715668913346690, 7.41467720526900238136829562725, 8.201585180178097915446335336855, 9.034834451058096715126853018952

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