Properties

Label 2-1456-1.1-c1-0-22
Degree $2$
Conductor $1456$
Sign $1$
Analytic cond. $11.6262$
Root an. cond. $3.40972$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.73·3-s + 1.73·5-s + 7-s + 4.46·9-s + 2.73·11-s − 13-s + 4.73·15-s + 2.73·17-s − 1.73·19-s + 2.73·21-s − 0.464·23-s − 2.00·25-s + 3.99·27-s − 6.46·29-s + 0.267·31-s + 7.46·33-s + 1.73·35-s − 3.26·37-s − 2.73·39-s − 10.3·41-s + 12.4·43-s + 7.73·45-s + 5.73·47-s + 49-s + 7.46·51-s − 9.92·53-s + 4.73·55-s + ⋯
L(s)  = 1  + 1.57·3-s + 0.774·5-s + 0.377·7-s + 1.48·9-s + 0.823·11-s − 0.277·13-s + 1.22·15-s + 0.662·17-s − 0.397·19-s + 0.596·21-s − 0.0967·23-s − 0.400·25-s + 0.769·27-s − 1.20·29-s + 0.0481·31-s + 1.29·33-s + 0.292·35-s − 0.537·37-s − 0.437·39-s − 1.62·41-s + 1.90·43-s + 1.15·45-s + 0.836·47-s + 0.142·49-s + 1.04·51-s − 1.36·53-s + 0.638·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1456,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.561885425\)
\(L(\frac12)\) \(\approx\) \(3.561885425\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.73T + 3T^{2} \)
5 \( 1 - 1.73T + 5T^{2} \)
11 \( 1 - 2.73T + 11T^{2} \)
17 \( 1 - 2.73T + 17T^{2} \)
19 \( 1 + 1.73T + 19T^{2} \)
23 \( 1 + 0.464T + 23T^{2} \)
29 \( 1 + 6.46T + 29T^{2} \)
31 \( 1 - 0.267T + 31T^{2} \)
37 \( 1 + 3.26T + 37T^{2} \)
41 \( 1 + 10.3T + 41T^{2} \)
43 \( 1 - 12.4T + 43T^{2} \)
47 \( 1 - 5.73T + 47T^{2} \)
53 \( 1 + 9.92T + 53T^{2} \)
59 \( 1 + 3.46T + 59T^{2} \)
61 \( 1 + 2T + 61T^{2} \)
67 \( 1 - 10.3T + 67T^{2} \)
71 \( 1 + 10.1T + 71T^{2} \)
73 \( 1 - 9.73T + 73T^{2} \)
79 \( 1 + 3.92T + 79T^{2} \)
83 \( 1 - 6.26T + 83T^{2} \)
89 \( 1 - 12.2T + 89T^{2} \)
97 \( 1 + 16.1T + 97T^{2} \)
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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

−9.362083240992783811413656878509, −8.861303369306761099942829763423, −7.971168401504575478208028055832, −7.35880563192674116453204198665, −6.32974371578406424734133280782, −5.34944189438522713856290564162, −4.16343404093183945236416664431, −3.39242701045279851893851266153, −2.28935906091270938831535498548, −1.56047964317885369310145996726, 1.56047964317885369310145996726, 2.28935906091270938831535498548, 3.39242701045279851893851266153, 4.16343404093183945236416664431, 5.34944189438522713856290564162, 6.32974371578406424734133280782, 7.35880563192674116453204198665, 7.971168401504575478208028055832, 8.861303369306761099942829763423, 9.362083240992783811413656878509

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