Properties

Label 2-7440-1.1-c1-0-41
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s + 2.24·7-s + 9-s + 1.14·11-s − 2.24·13-s − 15-s + 2.67·17-s + 5.34·19-s + 2.24·21-s − 2.67·23-s + 25-s + 27-s + 0.715·29-s + 31-s + 1.14·33-s − 2.24·35-s + 6.53·37-s − 2.24·39-s − 3.14·41-s − 12.2·43-s − 45-s + 10.8·47-s − 1.96·49-s + 2.67·51-s + 11.5·53-s − 1.14·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.848·7-s + 0.333·9-s + 0.344·11-s − 0.622·13-s − 0.258·15-s + 0.648·17-s + 1.22·19-s + 0.489·21-s − 0.557·23-s + 0.200·25-s + 0.192·27-s + 0.132·29-s + 0.179·31-s + 0.199·33-s − 0.379·35-s + 1.07·37-s − 0.359·39-s − 0.491·41-s − 1.86·43-s − 0.149·45-s + 1.58·47-s − 0.280·49-s + 0.374·51-s + 1.58·53-s − 0.154·55-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: \(0\)
Selberg data: \((2,\ 7440,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.811871430\)
\(L(\frac12)\) \(\approx\) \(2.811871430\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.24T + 7T^{2} \)
11 \( 1 - 1.14T + 11T^{2} \)
13 \( 1 + 2.24T + 13T^{2} \)
17 \( 1 - 2.67T + 17T^{2} \)
19 \( 1 - 5.34T + 19T^{2} \)
23 \( 1 + 2.67T + 23T^{2} \)
29 \( 1 - 0.715T + 29T^{2} \)
37 \( 1 - 6.53T + 37T^{2} \)
41 \( 1 + 3.14T + 41T^{2} \)
43 \( 1 + 12.2T + 43T^{2} \)
47 \( 1 - 10.8T + 47T^{2} \)
53 \( 1 - 11.5T + 53T^{2} \)
59 \( 1 - 2.71T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 + 13.5T + 67T^{2} \)
71 \( 1 - 5.48T + 71T^{2} \)
73 \( 1 - 3.75T + 73T^{2} \)
79 \( 1 + 10.0T + 79T^{2} \)
83 \( 1 - 0.384T + 83T^{2} \)
89 \( 1 + 2.62T + 89T^{2} \)
97 \( 1 - 16.1T + 97T^{2} \)
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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

−7.80558038775716669567579980589, −7.45497876752233407989397025783, −6.69333408640981534234942318573, −5.66736023395041101560531102209, −5.01410942417554372059712424592, −4.28252549157512214805938041308, −3.53929560517869347805469075174, −2.74860287181644136617916102452, −1.80123511186182102379915962571, −0.854233977983507907235061486468, 0.854233977983507907235061486468, 1.80123511186182102379915962571, 2.74860287181644136617916102452, 3.53929560517869347805469075174, 4.28252549157512214805938041308, 5.01410942417554372059712424592, 5.66736023395041101560531102209, 6.69333408640981534234942318573, 7.45497876752233407989397025783, 7.80558038775716669567579980589

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