Properties

Label 2-1440-1.1-c1-0-2
Degree $2$
Conductor $1440$
Sign $1$
Analytic cond. $11.4984$
Root an. cond. $3.39093$
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 + 2·13-s − 6·17-s + 4·19-s + 8·23-s + 25-s + 2·29-s − 4·31-s + 10·37-s − 2·41-s + 4·43-s + 8·47-s − 7·49-s + 2·53-s + 8·59-s − 2·61-s − 2·65-s + 12·67-s + 8·71-s − 14·73-s + 12·79-s − 4·83-s + 6·85-s + 14·89-s − 4·95-s + 2·97-s + 10·101-s + ⋯
L(s)  = 1  − 0.447·5-s + 0.554·13-s − 1.45·17-s + 0.917·19-s + 1.66·23-s + 1/5·25-s + 0.371·29-s − 0.718·31-s + 1.64·37-s − 0.312·41-s + 0.609·43-s + 1.16·47-s − 49-s + 0.274·53-s + 1.04·59-s − 0.256·61-s − 0.248·65-s + 1.46·67-s + 0.949·71-s − 1.63·73-s + 1.35·79-s − 0.439·83-s + 0.650·85-s + 1.48·89-s − 0.410·95-s + 0.203·97-s + 0.995·101-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $1$
Analytic conductor: \(11.4984\)
Root analytic conductor: \(3.39093\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1440,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.549221111\)
\(L(\frac12)\) \(\approx\) \(1.549221111\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
good7 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 - 12 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 - 14 T + p T^{2} \)
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

−9.307341106649090313623323741633, −8.855778251487975110890093783326, −7.903252653224454437423095775636, −7.10466480215322585099594808810, −6.37297543125638649107463074905, −5.29529188897154455060743121312, −4.44715554925080312846390934231, −3.49286559891962741437411069128, −2.44107391193880515870491532764, −0.914946353496096151316831566481, 0.914946353496096151316831566481, 2.44107391193880515870491532764, 3.49286559891962741437411069128, 4.44715554925080312846390934231, 5.29529188897154455060743121312, 6.37297543125638649107463074905, 7.10466480215322585099594808810, 7.903252653224454437423095775636, 8.855778251487975110890093783326, 9.307341106649090313623323741633

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