Properties

Label 2-3920-1.1-c1-0-55
Degree $2$
Conductor $3920$
Sign $-1$
Analytic cond. $31.3013$
Root an. cond. $5.59476$
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  − 2·3-s + 5-s + 9-s − 4·11-s + 2·13-s − 2·15-s − 2·19-s + 4·23-s + 25-s + 4·27-s + 10·29-s − 4·31-s + 8·33-s − 2·37-s − 4·39-s − 12·41-s + 4·43-s + 45-s − 4·47-s + 2·53-s − 4·55-s + 4·57-s − 10·59-s + 6·61-s + 2·65-s − 4·67-s − 8·69-s + ⋯
L(s)  = 1  − 1.15·3-s + 0.447·5-s + 1/3·9-s − 1.20·11-s + 0.554·13-s − 0.516·15-s − 0.458·19-s + 0.834·23-s + 1/5·25-s + 0.769·27-s + 1.85·29-s − 0.718·31-s + 1.39·33-s − 0.328·37-s − 0.640·39-s − 1.87·41-s + 0.609·43-s + 0.149·45-s − 0.583·47-s + 0.274·53-s − 0.539·55-s + 0.529·57-s − 1.30·59-s + 0.768·61-s + 0.248·65-s − 0.488·67-s − 0.963·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3920\)    =    \(2^{4} \cdot 5 \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(31.3013\)
Root analytic conductor: \(5.59476\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ -1)\)

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 \( 1 \)
good3 \( 1 + 2 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 - 10 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 + 12 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 + 10 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 + 4 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 14 T + p T^{2} \)
89 \( 1 - 8 T + p T^{2} \)
97 \( 1 + 8 T + p T^{2} \)
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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

−8.230575364977733903972632960861, −7.13186266234597283620431631447, −6.51476717362374944138471434605, −5.84065513164095559271592430635, −5.13714452927980086262917176521, −4.67334494792962784426930508413, −3.35773186946108123811203955417, −2.46890536637459859099513059154, −1.21812233339541426962001417520, 0, 1.21812233339541426962001417520, 2.46890536637459859099513059154, 3.35773186946108123811203955417, 4.67334494792962784426930508413, 5.13714452927980086262917176521, 5.84065513164095559271592430635, 6.51476717362374944138471434605, 7.13186266234597283620431631447, 8.230575364977733903972632960861

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