Properties

Label 2-1456-1.1-c1-0-7
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  − 2.24·3-s + 0.529·5-s + 7-s + 2.05·9-s + 2.24·11-s + 13-s − 1.19·15-s − 1.30·17-s + 1.47·19-s − 2.24·21-s − 5.83·23-s − 4.71·25-s + 2.11·27-s + 5.22·29-s + 7.02·31-s − 5.05·33-s + 0.529·35-s − 2.36·37-s − 2.24·39-s + 6.49·41-s − 11.3·43-s + 1.08·45-s − 8.58·47-s + 49-s + 2.94·51-s + 11.2·53-s + 1.19·55-s + ⋯
L(s)  = 1  − 1.29·3-s + 0.236·5-s + 0.377·7-s + 0.686·9-s + 0.678·11-s + 0.277·13-s − 0.307·15-s − 0.317·17-s + 0.337·19-s − 0.490·21-s − 1.21·23-s − 0.943·25-s + 0.407·27-s + 0.969·29-s + 1.26·31-s − 0.880·33-s + 0.0894·35-s − 0.389·37-s − 0.360·39-s + 1.01·41-s − 1.73·43-s + 0.162·45-s − 1.25·47-s + 0.142·49-s + 0.411·51-s + 1.54·53-s + 0.160·55-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

\(L(1)\) \(\approx\) \(1.118889316\)
\(L(\frac12)\) \(\approx\) \(1.118889316\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.24T + 3T^{2} \)
5 \( 1 - 0.529T + 5T^{2} \)
11 \( 1 - 2.24T + 11T^{2} \)
17 \( 1 + 1.30T + 17T^{2} \)
19 \( 1 - 1.47T + 19T^{2} \)
23 \( 1 + 5.83T + 23T^{2} \)
29 \( 1 - 5.22T + 29T^{2} \)
31 \( 1 - 7.02T + 31T^{2} \)
37 \( 1 + 2.36T + 37T^{2} \)
41 \( 1 - 6.49T + 41T^{2} \)
43 \( 1 + 11.3T + 43T^{2} \)
47 \( 1 + 8.58T + 47T^{2} \)
53 \( 1 - 11.2T + 53T^{2} \)
59 \( 1 - 12.1T + 59T^{2} \)
61 \( 1 + 2T + 61T^{2} \)
67 \( 1 - 15.9T + 67T^{2} \)
71 \( 1 + 1.19T + 71T^{2} \)
73 \( 1 - 7.64T + 73T^{2} \)
79 \( 1 - 1.33T + 79T^{2} \)
83 \( 1 - 16.3T + 83T^{2} \)
89 \( 1 - 6.91T + 89T^{2} \)
97 \( 1 + 3.47T + 97T^{2} \)
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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

−9.818397072565604628320767834959, −8.650363278072362192834621545644, −7.946585398528833153721002390058, −6.70802981775855558616475621121, −6.29115308760223016850462173196, −5.42230861252020864753043610279, −4.65725148729726614126099270986, −3.68059238639301667916185921862, −2.11654988540624096334527919707, −0.822900904814127900151644335214, 0.822900904814127900151644335214, 2.11654988540624096334527919707, 3.68059238639301667916185921862, 4.65725148729726614126099270986, 5.42230861252020864753043610279, 6.29115308760223016850462173196, 6.70802981775855558616475621121, 7.946585398528833153721002390058, 8.650363278072362192834621545644, 9.818397072565604628320767834959

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