Properties

Label 2-896-1.1-c1-0-7
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 $0$

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: \(0\)
Selberg data: \((2,\ 896,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.666125043\)
\(L(\frac12)\) \(\approx\) \(1.666125043\)
\(L(\frac{3}{2})\) 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

−10.14915575528512744704424398506, −9.085159879837952129396462991784, −8.556307069725046658734814323649, −7.69109110649490996887606564749, −6.54777995651802937371843140226, −5.85219222106469301830112911893, −4.81676464111172637776059220224, −3.71735389440188374007732407704, −2.65075041611570461759691498837, −1.10812390596012155410580072135, 1.10812390596012155410580072135, 2.65075041611570461759691498837, 3.71735389440188374007732407704, 4.81676464111172637776059220224, 5.85219222106469301830112911893, 6.54777995651802937371843140226, 7.69109110649490996887606564749, 8.556307069725046658734814323649, 9.085159879837952129396462991784, 10.14915575528512744704424398506

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