Properties

Label 2-896-1.1-c1-0-20
Degree $2$
Conductor $896$
Sign $-1$
Analytic cond. $7.15459$
Root an. cond. $2.67480$
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  − 7-s − 3·9-s + 2·11-s − 4·13-s − 2·17-s + 4·19-s − 4·23-s − 5·25-s − 6·29-s − 8·31-s + 2·37-s − 2·41-s + 10·43-s + 49-s − 2·53-s − 8·59-s − 8·61-s + 3·63-s + 2·67-s − 14·73-s − 2·77-s − 4·79-s + 9·81-s + 12·83-s − 6·89-s + 4·91-s + 6·97-s + ⋯
L(s)  = 1  − 0.377·7-s − 9-s + 0.603·11-s − 1.10·13-s − 0.485·17-s + 0.917·19-s − 0.834·23-s − 25-s − 1.11·29-s − 1.43·31-s + 0.328·37-s − 0.312·41-s + 1.52·43-s + 1/7·49-s − 0.274·53-s − 1.04·59-s − 1.02·61-s + 0.377·63-s + 0.244·67-s − 1.63·73-s − 0.227·77-s − 0.450·79-s + 81-s + 1.31·83-s − 0.635·89-s + 0.419·91-s + 0.609·97-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 896 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 896 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(896\)    =    \(2^{7} \cdot 7\)
Sign: $-1$
Analytic conductor: \(7.15459\)
Root analytic conductor: \(2.67480\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 896,\ (\ :1/2),\ -1)\)

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 \( 1 \)
7 \( 1 + T \)
good3 \( 1 + p T^{2} \)
5 \( 1 + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 - 10 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
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

−9.418253365279752739121582148395, −9.181087798905368464507450417375, −7.88496694284747044209622314599, −7.25575843269656135090470047481, −6.09404479121137757592605372701, −5.45595874673352643556200215084, −4.21782602311710241399034083019, −3.18305728658565220566438307032, −2.02232179487213921812324252759, 0, 2.02232179487213921812324252759, 3.18305728658565220566438307032, 4.21782602311710241399034083019, 5.45595874673352643556200215084, 6.09404479121137757592605372701, 7.25575843269656135090470047481, 7.88496694284747044209622314599, 9.181087798905368464507450417375, 9.418253365279752739121582148395

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