Properties

Label 2-1456-1.1-c1-0-26
Degree $2$
Conductor $1456$
Sign $-1$
Analytic cond. $11.6262$
Root an. cond. $3.40972$
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 + 3·5-s − 7-s + 9-s − 13-s − 6·15-s − 2·17-s − 5·19-s + 2·21-s − 23-s + 4·25-s + 4·27-s − 5·29-s + 3·31-s − 3·35-s − 6·37-s + 2·39-s − 2·41-s − 43-s + 3·45-s − 3·47-s + 49-s + 4·51-s + 11·53-s + 10·57-s + 8·59-s − 10·61-s + ⋯
L(s)  = 1  − 1.15·3-s + 1.34·5-s − 0.377·7-s + 1/3·9-s − 0.277·13-s − 1.54·15-s − 0.485·17-s − 1.14·19-s + 0.436·21-s − 0.208·23-s + 4/5·25-s + 0.769·27-s − 0.928·29-s + 0.538·31-s − 0.507·35-s − 0.986·37-s + 0.320·39-s − 0.312·41-s − 0.152·43-s + 0.447·45-s − 0.437·47-s + 1/7·49-s + 0.560·51-s + 1.51·53-s + 1.32·57-s + 1.04·59-s − 1.28·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1456\)    =    \(2^{4} \cdot 7 \cdot 13\)
Sign: $-1$
Analytic conductor: \(11.6262\)
Root analytic conductor: \(3.40972\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1456,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
13 \( 1 + T \)
good3 \( 1 + 2 T + p T^{2} \)
5 \( 1 - 3 T + p T^{2} \)
11 \( 1 + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 - 3 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 + T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 - 11 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 + 14 T + p T^{2} \)
73 \( 1 + 7 T + p T^{2} \)
79 \( 1 + 13 T + p T^{2} \)
83 \( 1 - T + p T^{2} \)
89 \( 1 + 11 T + p T^{2} \)
97 \( 1 - 5 T + p T^{2} \)
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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

−9.203180653575062654359672426254, −8.529645336781118180497881820953, −7.14841316326545066045886217042, −6.43339660293291446952337401723, −5.85005995324875418186457648347, −5.20967988271522414086153489032, −4.20796727851533691291580413215, −2.72085251260713353689009977090, −1.66748781498573342728564782283, 0, 1.66748781498573342728564782283, 2.72085251260713353689009977090, 4.20796727851533691291580413215, 5.20967988271522414086153489032, 5.85005995324875418186457648347, 6.43339660293291446952337401723, 7.14841316326545066045886217042, 8.529645336781118180497881820953, 9.203180653575062654359672426254

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