Properties

Label 2-1440-1.1-c3-0-23
Degree $2$
Conductor $1440$
Sign $1$
Analytic cond. $84.9627$
Root an. cond. $9.21752$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5·5-s − 6·7-s + 60·11-s + 50·13-s + 30·17-s − 40·19-s + 178·23-s + 25·25-s − 166·29-s − 20·31-s − 30·35-s + 10·37-s + 250·41-s − 142·43-s + 214·47-s − 307·49-s − 490·53-s + 300·55-s − 800·59-s + 250·61-s + 250·65-s + 774·67-s + 100·71-s − 230·73-s − 360·77-s + 1.32e3·79-s + 982·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 0.323·7-s + 1.64·11-s + 1.06·13-s + 0.428·17-s − 0.482·19-s + 1.61·23-s + 1/5·25-s − 1.06·29-s − 0.115·31-s − 0.144·35-s + 0.0444·37-s + 0.952·41-s − 0.503·43-s + 0.664·47-s − 0.895·49-s − 1.26·53-s + 0.735·55-s − 1.76·59-s + 0.524·61-s + 0.477·65-s + 1.41·67-s + 0.167·71-s − 0.368·73-s − 0.532·77-s + 1.87·79-s + 1.29·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $1$
Analytic conductor: \(84.9627\)
Root analytic conductor: \(9.21752\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1440,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.864847915\)
\(L(\frac12)\) \(\approx\) \(2.864847915\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 - p T \)
good7 \( 1 + 6 T + p^{3} T^{2} \)
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

−9.220303329146240259859344565328, −8.578242581569882216011601713494, −7.46395998388308491047528117431, −6.51593995579932503461637950273, −6.11218031408592648002839226550, −5.00377762129480538436152638122, −3.91281978276633002669522026210, −3.20050481210419138531977425851, −1.77711500518869572224339117811, −0.896322840759454357833538723908, 0.896322840759454357833538723908, 1.77711500518869572224339117811, 3.20050481210419138531977425851, 3.91281978276633002669522026210, 5.00377762129480538436152638122, 6.11218031408592648002839226550, 6.51593995579932503461637950273, 7.46395998388308491047528117431, 8.578242581569882216011601713494, 9.220303329146240259859344565328

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