Properties

Label 2-6440-1.1-c1-0-72
Degree $2$
Conductor $6440$
Sign $-1$
Analytic cond. $51.4236$
Root an. cond. $7.17102$
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  − 1.08·3-s − 5-s + 7-s − 1.81·9-s − 4.28·11-s − 1.53·13-s + 1.08·15-s + 4.46·17-s − 1.61·19-s − 1.08·21-s − 23-s + 25-s + 5.24·27-s + 8.54·29-s + 1.12·31-s + 4.66·33-s − 35-s + 2.71·37-s + 1.67·39-s − 8.87·41-s + 10.7·43-s + 1.81·45-s + 8.25·47-s + 49-s − 4.86·51-s + 7.50·53-s + 4.28·55-s + ⋯
L(s)  = 1  − 0.628·3-s − 0.447·5-s + 0.377·7-s − 0.604·9-s − 1.29·11-s − 0.426·13-s + 0.281·15-s + 1.08·17-s − 0.370·19-s − 0.237·21-s − 0.208·23-s + 0.200·25-s + 1.00·27-s + 1.58·29-s + 0.201·31-s + 0.812·33-s − 0.169·35-s + 0.446·37-s + 0.268·39-s − 1.38·41-s + 1.64·43-s + 0.270·45-s + 1.20·47-s + 0.142·49-s − 0.680·51-s + 1.03·53-s + 0.577·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6440\)    =    \(2^{3} \cdot 5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(51.4236\)
Root analytic conductor: \(7.17102\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 6440,\ (\ :1/2),\ -1)\)

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 \( 1 \)
5 \( 1 + T \)
7 \( 1 - T \)
23 \( 1 + T \)
good3 \( 1 + 1.08T + 3T^{2} \)
11 \( 1 + 4.28T + 11T^{2} \)
13 \( 1 + 1.53T + 13T^{2} \)
17 \( 1 - 4.46T + 17T^{2} \)
19 \( 1 + 1.61T + 19T^{2} \)
29 \( 1 - 8.54T + 29T^{2} \)
31 \( 1 - 1.12T + 31T^{2} \)
37 \( 1 - 2.71T + 37T^{2} \)
41 \( 1 + 8.87T + 41T^{2} \)
43 \( 1 - 10.7T + 43T^{2} \)
47 \( 1 - 8.25T + 47T^{2} \)
53 \( 1 - 7.50T + 53T^{2} \)
59 \( 1 - 5.28T + 59T^{2} \)
61 \( 1 + 4.20T + 61T^{2} \)
67 \( 1 + 15.0T + 67T^{2} \)
71 \( 1 + 13.2T + 71T^{2} \)
73 \( 1 - 7.25T + 73T^{2} \)
79 \( 1 + 11.9T + 79T^{2} \)
83 \( 1 - 2.61T + 83T^{2} \)
89 \( 1 + 13.2T + 89T^{2} \)
97 \( 1 + 13.3T + 97T^{2} \)
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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

−7.64267436646890190158816050615, −7.09369106315836757033873921284, −6.04578794336923017163655596441, −5.56043180305964720034548522441, −4.87716438287313152696654155738, −4.20665457392917476825571171245, −3.01338353674184365691958015120, −2.50586528110271900708993854683, −1.05658994283121408683647180543, 0, 1.05658994283121408683647180543, 2.50586528110271900708993854683, 3.01338353674184365691958015120, 4.20665457392917476825571171245, 4.87716438287313152696654155738, 5.56043180305964720034548522441, 6.04578794336923017163655596441, 7.09369106315836757033873921284, 7.64267436646890190158816050615

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