Properties

Label 2-80e2-1.1-c1-0-13
Degree $2$
Conductor $6400$
Sign $1$
Analytic cond. $51.1042$
Root an. cond. $7.14872$
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  + 1.41·3-s − 4.24·7-s − 0.999·9-s − 5.65·11-s − 2·13-s − 6·17-s + 2.82·19-s − 6·21-s + 7.07·23-s − 5.65·27-s + 4·29-s − 2.82·31-s − 8.00·33-s + 2·37-s − 2.82·39-s + 8·41-s − 1.41·43-s + 1.41·47-s + 10.9·49-s − 8.48·51-s − 2·53-s + 4.00·57-s − 2.82·59-s + 14·61-s + 4.24·63-s − 4.24·67-s + 10.0·69-s + ⋯
L(s)  = 1  + 0.816·3-s − 1.60·7-s − 0.333·9-s − 1.70·11-s − 0.554·13-s − 1.45·17-s + 0.648·19-s − 1.30·21-s + 1.47·23-s − 1.08·27-s + 0.742·29-s − 0.508·31-s − 1.39·33-s + 0.328·37-s − 0.452·39-s + 1.24·41-s − 0.215·43-s + 0.206·47-s + 1.57·49-s − 1.18·51-s − 0.274·53-s + 0.529·57-s − 0.368·59-s + 1.79·61-s + 0.534·63-s − 0.518·67-s + 1.20·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6400\)    =    \(2^{8} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(51.1042\)
Root analytic conductor: \(7.14872\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 6400,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.061990463\)
\(L(\frac12)\) \(\approx\) \(1.061990463\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.41T + 3T^{2} \)
7 \( 1 + 4.24T + 7T^{2} \)
11 \( 1 + 5.65T + 11T^{2} \)
13 \( 1 + 2T + 13T^{2} \)
17 \( 1 + 6T + 17T^{2} \)
19 \( 1 - 2.82T + 19T^{2} \)
23 \( 1 - 7.07T + 23T^{2} \)
29 \( 1 - 4T + 29T^{2} \)
31 \( 1 + 2.82T + 31T^{2} \)
37 \( 1 - 2T + 37T^{2} \)
41 \( 1 - 8T + 41T^{2} \)
43 \( 1 + 1.41T + 43T^{2} \)
47 \( 1 - 1.41T + 47T^{2} \)
53 \( 1 + 2T + 53T^{2} \)
59 \( 1 + 2.82T + 59T^{2} \)
61 \( 1 - 14T + 61T^{2} \)
67 \( 1 + 4.24T + 67T^{2} \)
71 \( 1 + 2.82T + 71T^{2} \)
73 \( 1 + 6T + 73T^{2} \)
79 \( 1 - 16.9T + 79T^{2} \)
83 \( 1 + 12.7T + 83T^{2} \)
89 \( 1 - 6T + 89T^{2} \)
97 \( 1 + 10T + 97T^{2} \)
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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

−8.074086687464224393596966877686, −7.28396520912275412880506758914, −6.80834289245399036469638759896, −5.88096670538898794673786482450, −5.22417398028819246446618043501, −4.33700118840588582943993187673, −3.25570041921570547737112506869, −2.80725815646059871585639355420, −2.30402609223903457218658652078, −0.46997589520305112521014395683, 0.46997589520305112521014395683, 2.30402609223903457218658652078, 2.80725815646059871585639355420, 3.25570041921570547737112506869, 4.33700118840588582943993187673, 5.22417398028819246446618043501, 5.88096670538898794673786482450, 6.80834289245399036469638759896, 7.28396520912275412880506758914, 8.074086687464224393596966877686

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