Properties

Label 2-7440-1.1-c1-0-75
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 − 2.13·7-s + 9-s + 3.64·11-s + 4.85·13-s + 15-s + 1.80·17-s − 4.72·19-s + 2.13·21-s − 6.38·23-s + 25-s − 27-s − 4.65·29-s − 31-s − 3.64·33-s + 2.13·35-s − 0.588·37-s − 4.85·39-s − 8.90·41-s + 6.18·43-s − 45-s + 2.73·47-s − 2.45·49-s − 1.80·51-s + 10.9·53-s − 3.64·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 0.805·7-s + 0.333·9-s + 1.09·11-s + 1.34·13-s + 0.258·15-s + 0.438·17-s − 1.08·19-s + 0.465·21-s − 1.33·23-s + 0.200·25-s − 0.192·27-s − 0.865·29-s − 0.179·31-s − 0.634·33-s + 0.360·35-s − 0.0967·37-s − 0.777·39-s − 1.39·41-s + 0.943·43-s − 0.149·45-s + 0.398·47-s − 0.350·49-s − 0.252·51-s + 1.50·53-s − 0.491·55-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 \( 1 + 2.13T + 7T^{2} \)
11 \( 1 - 3.64T + 11T^{2} \)
13 \( 1 - 4.85T + 13T^{2} \)
17 \( 1 - 1.80T + 17T^{2} \)
19 \( 1 + 4.72T + 19T^{2} \)
23 \( 1 + 6.38T + 23T^{2} \)
29 \( 1 + 4.65T + 29T^{2} \)
37 \( 1 + 0.588T + 37T^{2} \)
41 \( 1 + 8.90T + 41T^{2} \)
43 \( 1 - 6.18T + 43T^{2} \)
47 \( 1 - 2.73T + 47T^{2} \)
53 \( 1 - 10.9T + 53T^{2} \)
59 \( 1 - 5.58T + 59T^{2} \)
61 \( 1 - 4.92T + 61T^{2} \)
67 \( 1 + 13.9T + 67T^{2} \)
71 \( 1 - 14.5T + 71T^{2} \)
73 \( 1 + 2.67T + 73T^{2} \)
79 \( 1 + 14.4T + 79T^{2} \)
83 \( 1 + 10.0T + 83T^{2} \)
89 \( 1 - 0.747T + 89T^{2} \)
97 \( 1 - 17.1T + 97T^{2} \)
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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

−7.36077058473384471481241012585, −6.79215122099777530440025153173, −6.02681786987764089433537805887, −5.81128509827199778558507942213, −4.55461185441213861178480218483, −3.79851388131795883158804712300, −3.53102004074312726464505003427, −2.12777903130393547231065417920, −1.14041693243456340293567806728, 0, 1.14041693243456340293567806728, 2.12777903130393547231065417920, 3.53102004074312726464505003427, 3.79851388131795883158804712300, 4.55461185441213861178480218483, 5.81128509827199778558507942213, 6.02681786987764089433537805887, 6.79215122099777530440025153173, 7.36077058473384471481241012585

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