Properties

Label 2-7440-1.1-c1-0-85
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 − 2.95·7-s + 9-s − 4·11-s + 4.95·13-s − 15-s + 0.421·17-s + 5.06·19-s − 2.95·21-s − 7.48·23-s + 25-s + 27-s + 8.44·29-s + 31-s − 4·33-s + 2.95·35-s + 4.11·37-s + 4.95·39-s − 12.1·41-s − 1.06·43-s − 45-s − 6.64·47-s + 1.73·49-s + 0.421·51-s − 3.57·53-s + 4·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 1.11·7-s + 0.333·9-s − 1.20·11-s + 1.37·13-s − 0.258·15-s + 0.102·17-s + 1.16·19-s − 0.644·21-s − 1.56·23-s + 0.200·25-s + 0.192·27-s + 1.56·29-s + 0.179·31-s − 0.696·33-s + 0.499·35-s + 0.676·37-s + 0.793·39-s − 1.89·41-s − 0.162·43-s − 0.149·45-s − 0.969·47-s + 0.247·49-s + 0.0590·51-s − 0.491·53-s + 0.539·55-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 \( 1 + 2.95T + 7T^{2} \)
11 \( 1 + 4T + 11T^{2} \)
13 \( 1 - 4.95T + 13T^{2} \)
17 \( 1 - 0.421T + 17T^{2} \)
19 \( 1 - 5.06T + 19T^{2} \)
23 \( 1 + 7.48T + 23T^{2} \)
29 \( 1 - 8.44T + 29T^{2} \)
37 \( 1 - 4.11T + 37T^{2} \)
41 \( 1 + 12.1T + 41T^{2} \)
43 \( 1 + 1.06T + 43T^{2} \)
47 \( 1 + 6.64T + 47T^{2} \)
53 \( 1 + 3.57T + 53T^{2} \)
59 \( 1 - 0.534T + 59T^{2} \)
61 \( 1 - 3.91T + 61T^{2} \)
67 \( 1 - 8.02T + 67T^{2} \)
71 \( 1 + 3.46T + 71T^{2} \)
73 \( 1 + 8.11T + 73T^{2} \)
79 \( 1 - 3.48T + 79T^{2} \)
83 \( 1 - 1.80T + 83T^{2} \)
89 \( 1 - 7.60T + 89T^{2} \)
97 \( 1 + 18.0T + 97T^{2} \)
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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

−7.79991624611913531539892304561, −6.78200538938929193632370576872, −6.30664349947775552813581024052, −5.47305353341659828757680509727, −4.63260262640938270307316705461, −3.63729274219292674509365783370, −3.26277742325363537465237649499, −2.48021929927858288697001189053, −1.24719348345048523538565314755, 0, 1.24719348345048523538565314755, 2.48021929927858288697001189053, 3.26277742325363537465237649499, 3.63729274219292674509365783370, 4.63260262640938270307316705461, 5.47305353341659828757680509727, 6.30664349947775552813581024052, 6.78200538938929193632370576872, 7.79991624611913531539892304561

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