Properties

Label 2-40e2-8.5-c1-0-0
Degree $2$
Conductor $1600$
Sign $-0.965 + 0.258i$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
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  + i·3-s − 3.46·7-s + 2·9-s + 3i·11-s − 3.46i·13-s − 3·17-s + i·19-s − 3.46i·21-s + 5i·27-s + 10.3i·29-s − 6.92·31-s − 3·33-s − 10.3i·37-s + 3.46·39-s − 9·41-s + ⋯
L(s)  = 1  + 0.577i·3-s − 1.30·7-s + 0.666·9-s + 0.904i·11-s − 0.960i·13-s − 0.727·17-s + 0.229i·19-s − 0.755i·21-s + 0.962i·27-s + 1.92i·29-s − 1.24·31-s − 0.522·33-s − 1.70i·37-s + 0.554·39-s − 1.40·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.965 + 0.258i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.965 + 0.258i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $-0.965 + 0.258i$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1600} (801, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ -0.965 + 0.258i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2537410296\)
\(L(\frac12)\) \(\approx\) \(0.2537410296\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 - iT - 3T^{2} \)
7 \( 1 + 3.46T + 7T^{2} \)
11 \( 1 - 3iT - 11T^{2} \)
13 \( 1 + 3.46iT - 13T^{2} \)
17 \( 1 + 3T + 17T^{2} \)
19 \( 1 - iT - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 10.3iT - 29T^{2} \)
31 \( 1 + 6.92T + 31T^{2} \)
37 \( 1 + 10.3iT - 37T^{2} \)
41 \( 1 + 9T + 41T^{2} \)
43 \( 1 + 4iT - 43T^{2} \)
47 \( 1 + 10.3T + 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 12iT - 59T^{2} \)
61 \( 1 + 3.46iT - 61T^{2} \)
67 \( 1 - 11iT - 67T^{2} \)
71 \( 1 + 10.3T + 71T^{2} \)
73 \( 1 + 7T + 73T^{2} \)
79 \( 1 - 10.3T + 79T^{2} \)
83 \( 1 - 15iT - 83T^{2} \)
89 \( 1 + 3T + 89T^{2} \)
97 \( 1 + 14T + 97T^{2} \)
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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

−9.765977240110172864210046772627, −9.313423654601141075990864250788, −8.390115674351517467231243206433, −7.10340782047133608642752497546, −6.91088661987878728805418645202, −5.65160285619789485509194899951, −4.88584051642711154660293347326, −3.81980025532918971019684572588, −3.18804795881932844336566795589, −1.80355679736556479217145312881, 0.093678746395081186256233238952, 1.62026431824694552832215749993, 2.81916895462776555185454130216, 3.79675474619812289015271751798, 4.71955274260915204150013817709, 6.13087382262574477057900967854, 6.47112624282762758891446549118, 7.21800529135140772036126671215, 8.167097059623443641594958024922, 9.043210088815498477207614265808

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