Properties

Label 2-3920-1.1-c1-0-61
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  − 3-s + 5-s − 2·9-s + 2·11-s − 4·13-s − 15-s + 6·19-s − 3·23-s + 25-s + 5·27-s − 3·29-s − 2·33-s − 12·37-s + 4·39-s + 7·41-s + 9·43-s − 2·45-s − 6·53-s + 2·55-s − 6·57-s − 10·59-s − 5·61-s − 4·65-s − 11·67-s + 3·69-s + 10·71-s + 8·73-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s − 2/3·9-s + 0.603·11-s − 1.10·13-s − 0.258·15-s + 1.37·19-s − 0.625·23-s + 1/5·25-s + 0.962·27-s − 0.557·29-s − 0.348·33-s − 1.97·37-s + 0.640·39-s + 1.09·41-s + 1.37·43-s − 0.298·45-s − 0.824·53-s + 0.269·55-s − 0.794·57-s − 1.30·59-s − 0.640·61-s − 0.496·65-s − 1.34·67-s + 0.361·69-s + 1.18·71-s + 0.936·73-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 \( 1 + T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 + 3 T + p T^{2} \)
29 \( 1 + 3 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 12 T + p T^{2} \)
41 \( 1 - 7 T + p T^{2} \)
43 \( 1 - 9 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + 10 T + p T^{2} \)
61 \( 1 + 5 T + p T^{2} \)
67 \( 1 + 11 T + p T^{2} \)
71 \( 1 - 10 T + p T^{2} \)
73 \( 1 - 8 T + p T^{2} \)
79 \( 1 + 6 T + p T^{2} \)
83 \( 1 + 3 T + p T^{2} \)
89 \( 1 + 17 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−7.988330696642812328871810984430, −7.32999126973217434560733636642, −6.55977579557836438808464395431, −5.74927040774399969149906569707, −5.29208014638074091425863495821, −4.43472520854776928117273483310, −3.34806454923890819346910354384, −2.49118771006450064224323948705, −1.35778867624689297279899334700, 0, 1.35778867624689297279899334700, 2.49118771006450064224323948705, 3.34806454923890819346910354384, 4.43472520854776928117273483310, 5.29208014638074091425863495821, 5.74927040774399969149906569707, 6.55977579557836438808464395431, 7.32999126973217434560733636642, 7.988330696642812328871810984430

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