Properties

Label 2-1456-28.27-c1-0-5
Degree $2$
Conductor $1456$
Sign $-0.289 - 0.957i$
Analytic cond. $11.6262$
Root an. cond. $3.40972$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.178·3-s − 3.28i·5-s + (1.92 + 1.81i)7-s − 2.96·9-s + 6.46i·11-s + i·13-s + 0.585i·15-s + 2.78i·17-s − 4.83·19-s + (−0.344 − 0.322i)21-s − 5.26i·23-s − 5.76·25-s + 1.06·27-s − 7.64·29-s − 3.85·31-s + ⋯
L(s)  = 1  − 0.102·3-s − 1.46i·5-s + (0.729 + 0.684i)7-s − 0.989·9-s + 1.95i·11-s + 0.277i·13-s + 0.151i·15-s + 0.674i·17-s − 1.10·19-s + (−0.0750 − 0.0704i)21-s − 1.09i·23-s − 1.15·25-s + 0.204·27-s − 1.41·29-s − 0.693·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.289 - 0.957i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.289 - 0.957i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1456\)    =    \(2^{4} \cdot 7 \cdot 13\)
Sign: $-0.289 - 0.957i$
Analytic conductor: \(11.6262\)
Root analytic conductor: \(3.40972\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1456} (1119, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1456,\ (\ :1/2),\ -0.289 - 0.957i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.8106641384\)
\(L(\frac12)\) \(\approx\) \(0.8106641384\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.92 - 1.81i)T \)
13 \( 1 - iT \)
good3 \( 1 + 0.178T + 3T^{2} \)
5 \( 1 + 3.28iT - 5T^{2} \)
11 \( 1 - 6.46iT - 11T^{2} \)
17 \( 1 - 2.78iT - 17T^{2} \)
19 \( 1 + 4.83T + 19T^{2} \)
23 \( 1 + 5.26iT - 23T^{2} \)
29 \( 1 + 7.64T + 29T^{2} \)
31 \( 1 + 3.85T + 31T^{2} \)
37 \( 1 + 5.94T + 37T^{2} \)
41 \( 1 - 12.4iT - 41T^{2} \)
43 \( 1 - 5.25iT - 43T^{2} \)
47 \( 1 - 8.67T + 47T^{2} \)
53 \( 1 - 4.64T + 53T^{2} \)
59 \( 1 + 3.68T + 59T^{2} \)
61 \( 1 + 4.84iT - 61T^{2} \)
67 \( 1 - 8.91iT - 67T^{2} \)
71 \( 1 - 9.88iT - 71T^{2} \)
73 \( 1 + 9.29iT - 73T^{2} \)
79 \( 1 + 1.03iT - 79T^{2} \)
83 \( 1 + 5.10T + 83T^{2} \)
89 \( 1 - 3.16iT - 89T^{2} \)
97 \( 1 + 13.0iT - 97T^{2} \)
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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

−9.506799559327184142121816579000, −8.859818182356638389397242478764, −8.366798663538189931666130092796, −7.53270105673212862178122967376, −6.34753634962123826513904517675, −5.44640388231657879482999343125, −4.74554399321135925767489027412, −4.16042968113929958141901565734, −2.34153200290066275878310209510, −1.60163638723241685007652789672, 0.31042332315076434869544992331, 2.16818664415706791927453593386, 3.28675902580717033660672452071, 3.78714603007062012441524484937, 5.46502320919275785828138928679, 5.84423480140166712831459988975, 6.96098651555178829786399054975, 7.54475943789500380749936980276, 8.482523440313834775177692956011, 9.124999168639364036312972824833

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