Properties

Label 2-38640-1.1-c1-0-49
Degree $2$
Conductor $38640$
Sign $-1$
Analytic cond. $308.541$
Root an. cond. $17.5653$
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 + 9-s + 3·11-s − 15-s − 2·17-s − 7·19-s − 21-s − 23-s + 25-s + 27-s − 2·29-s + 4·31-s + 3·33-s + 35-s + 2·37-s + 3·41-s − 10·43-s − 45-s + 47-s + 49-s − 2·51-s − 3·53-s − 3·55-s − 7·57-s + 5·59-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 0.377·7-s + 1/3·9-s + 0.904·11-s − 0.258·15-s − 0.485·17-s − 1.60·19-s − 0.218·21-s − 0.208·23-s + 1/5·25-s + 0.192·27-s − 0.371·29-s + 0.718·31-s + 0.522·33-s + 0.169·35-s + 0.328·37-s + 0.468·41-s − 1.52·43-s − 0.149·45-s + 0.145·47-s + 1/7·49-s − 0.280·51-s − 0.412·53-s − 0.404·55-s − 0.927·57-s + 0.650·59-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38640 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38640 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38640\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(308.541\)
Root analytic conductor: \(17.5653\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 38640,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
7 \( 1 + T \)
23 \( 1 + T \)
good11 \( 1 - 3 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 7 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 3 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 - T + p T^{2} \)
53 \( 1 + 3 T + p T^{2} \)
59 \( 1 - 5 T + p T^{2} \)
61 \( 1 - 3 T + p T^{2} \)
67 \( 1 - 14 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 6 T + p T^{2} \)
83 \( 1 - 8 T + p T^{2} \)
89 \( 1 + 12 T + p T^{2} \)
97 \( 1 + 6 T + p T^{2} \)
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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

−15.09728925294630, −14.59516643811846, −14.13228343777817, −13.51858545935742, −12.96792033866215, −12.60553389444575, −11.97946354361767, −11.41497128463919, −10.94095213621265, −10.28030724436866, −9.723266549924363, −9.239605449423020, −8.518241484395030, −8.360392904271110, −7.614118826624403, −6.844127774693815, −6.558356978972782, −5.980259231762896, −5.016166391095922, −4.401016699048758, −3.865191487783462, −3.400963153287989, −2.479044613522647, −1.975042849451093, −0.9997167112780474, 0, 0.9997167112780474, 1.975042849451093, 2.479044613522647, 3.400963153287989, 3.865191487783462, 4.401016699048758, 5.016166391095922, 5.980259231762896, 6.558356978972782, 6.844127774693815, 7.614118826624403, 8.360392904271110, 8.518241484395030, 9.239605449423020, 9.723266549924363, 10.28030724436866, 10.94095213621265, 11.41497128463919, 11.97946354361767, 12.60553389444575, 12.96792033866215, 13.51858545935742, 14.13228343777817, 14.59516643811846, 15.09728925294630

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