Properties

Label 2-6440-1.1-c1-0-107
Degree $2$
Conductor $6440$
Sign $-1$
Analytic cond. $51.4236$
Root an. cond. $7.17102$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s + 7-s − 2·9-s − 3·11-s + 3·13-s − 15-s + 3·17-s + 21-s + 23-s + 25-s − 5·27-s − 9·29-s + 2·31-s − 3·33-s − 35-s − 4·37-s + 3·39-s + 4·41-s − 2·43-s + 2·45-s + 13·47-s + 49-s + 3·51-s − 2·53-s + 3·55-s − 6·59-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s + 0.377·7-s − 2/3·9-s − 0.904·11-s + 0.832·13-s − 0.258·15-s + 0.727·17-s + 0.218·21-s + 0.208·23-s + 1/5·25-s − 0.962·27-s − 1.67·29-s + 0.359·31-s − 0.522·33-s − 0.169·35-s − 0.657·37-s + 0.480·39-s + 0.624·41-s − 0.304·43-s + 0.298·45-s + 1.89·47-s + 1/7·49-s + 0.420·51-s − 0.274·53-s + 0.404·55-s − 0.781·59-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: yes
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 \( 1 - T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 - 3 T + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
19 \( 1 + p T^{2} \)
29 \( 1 + 9 T + p T^{2} \)
31 \( 1 - 2 T + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 - 4 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 - 13 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 + 6 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + 13 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 7 T + p T^{2} \)
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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

−7.58391649140171876112109893547, −7.40529132176188094712685538473, −6.04253214520663814704080313496, −5.64206459622421452000352744332, −4.76681620275260797538945231331, −3.84570637772852671923419021909, −3.20322727139404385910985105481, −2.44338712325920150195071041320, −1.37707876314464947136674312092, 0, 1.37707876314464947136674312092, 2.44338712325920150195071041320, 3.20322727139404385910985105481, 3.84570637772852671923419021909, 4.76681620275260797538945231331, 5.64206459622421452000352744332, 6.04253214520663814704080313496, 7.40529132176188094712685538473, 7.58391649140171876112109893547

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