Properties

Label 2-7440-1.1-c1-0-98
Degree $2$
Conductor $7440$
Sign $-1$
Analytic cond. $59.4086$
Root an. cond. $7.70770$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 5-s − 3.12·7-s + 9-s − 1.51·11-s − 3.60·13-s + 15-s + 5.28·17-s − 1.51·19-s − 3.12·21-s + 1.76·23-s + 25-s + 27-s + 1.60·29-s − 31-s − 1.51·33-s − 3.12·35-s + 4.57·37-s − 3.60·39-s + 0.249·41-s − 10.7·43-s + 45-s + 6.49·47-s + 2.76·49-s + 5.28·51-s + 3.45·53-s − 1.51·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 1.18·7-s + 0.333·9-s − 0.456·11-s − 1.00·13-s + 0.258·15-s + 1.28·17-s − 0.347·19-s − 0.681·21-s + 0.368·23-s + 0.200·25-s + 0.192·27-s + 0.298·29-s − 0.179·31-s − 0.263·33-s − 0.528·35-s + 0.752·37-s − 0.578·39-s + 0.0390·41-s − 1.64·43-s + 0.149·45-s + 0.948·47-s + 0.394·49-s + 0.739·51-s + 0.474·53-s − 0.204·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7440\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 31\)
Sign: $-1$
Analytic conductor: \(59.4086\)
Root analytic conductor: \(7.70770\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7440,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
5 \( 1 - T \)
31 \( 1 + T \)
good7 \( 1 + 3.12T + 7T^{2} \)
11 \( 1 + 1.51T + 11T^{2} \)
13 \( 1 + 3.60T + 13T^{2} \)
17 \( 1 - 5.28T + 17T^{2} \)
19 \( 1 + 1.51T + 19T^{2} \)
23 \( 1 - 1.76T + 23T^{2} \)
29 \( 1 - 1.60T + 29T^{2} \)
37 \( 1 - 4.57T + 37T^{2} \)
41 \( 1 - 0.249T + 41T^{2} \)
43 \( 1 + 10.7T + 43T^{2} \)
47 \( 1 - 6.49T + 47T^{2} \)
53 \( 1 - 3.45T + 53T^{2} \)
59 \( 1 + 8.88T + 59T^{2} \)
61 \( 1 + 7.28T + 61T^{2} \)
67 \( 1 + 6.57T + 67T^{2} \)
71 \( 1 - 15.6T + 71T^{2} \)
73 \( 1 + 8.34T + 73T^{2} \)
79 \( 1 + 5.45T + 79T^{2} \)
83 \( 1 + 6.96T + 83T^{2} \)
89 \( 1 - 2.15T + 89T^{2} \)
97 \( 1 + 6.49T + 97T^{2} \)
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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

−7.56881483731257947875579700469, −6.89408179629441774476823954790, −6.21567835083395500670068353012, −5.46297143393809925112500459066, −4.74571768116410202645070113601, −3.76054776909548256797670099251, −2.97658184072610919353829171392, −2.52541536767232578616575298138, −1.35366246390816957199490799969, 0, 1.35366246390816957199490799969, 2.52541536767232578616575298138, 2.97658184072610919353829171392, 3.76054776909548256797670099251, 4.74571768116410202645070113601, 5.46297143393809925112500459066, 6.21567835083395500670068353012, 6.89408179629441774476823954790, 7.56881483731257947875579700469

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