Properties

Label 2-80e2-1.1-c1-0-1
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  − 2.44·3-s − 2.44·7-s + 2.99·9-s − 4.89·11-s − 4·17-s + 4.89·19-s + 5.99·21-s − 2.44·23-s + 8·29-s − 9.79·31-s + 11.9·33-s − 4·37-s − 8·41-s − 7.34·43-s − 12.2·47-s − 1.00·49-s + 9.79·51-s − 8·53-s − 11.9·57-s − 4.89·59-s + 6·61-s − 7.34·63-s − 2.44·67-s + 5.99·69-s + 9.79·71-s − 4·73-s + 11.9·77-s + ⋯
L(s)  = 1  − 1.41·3-s − 0.925·7-s + 0.999·9-s − 1.47·11-s − 0.970·17-s + 1.12·19-s + 1.30·21-s − 0.510·23-s + 1.48·29-s − 1.75·31-s + 2.08·33-s − 0.657·37-s − 1.24·41-s − 1.12·43-s − 1.78·47-s − 0.142·49-s + 1.37·51-s − 1.09·53-s − 1.58·57-s − 0.637·59-s + 0.768·61-s − 0.925·63-s − 0.299·67-s + 0.722·69-s + 1.16·71-s − 0.468·73-s + 1.36·77-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

\(L(1)\) \(\approx\) \(0.1746929808\)
\(L(\frac12)\) \(\approx\) \(0.1746929808\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.44T + 3T^{2} \)
7 \( 1 + 2.44T + 7T^{2} \)
11 \( 1 + 4.89T + 11T^{2} \)
13 \( 1 + 13T^{2} \)
17 \( 1 + 4T + 17T^{2} \)
19 \( 1 - 4.89T + 19T^{2} \)
23 \( 1 + 2.44T + 23T^{2} \)
29 \( 1 - 8T + 29T^{2} \)
31 \( 1 + 9.79T + 31T^{2} \)
37 \( 1 + 4T + 37T^{2} \)
41 \( 1 + 8T + 41T^{2} \)
43 \( 1 + 7.34T + 43T^{2} \)
47 \( 1 + 12.2T + 47T^{2} \)
53 \( 1 + 8T + 53T^{2} \)
59 \( 1 + 4.89T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 + 2.44T + 67T^{2} \)
71 \( 1 - 9.79T + 71T^{2} \)
73 \( 1 + 4T + 73T^{2} \)
79 \( 1 + 9.79T + 79T^{2} \)
83 \( 1 - 2.44T + 83T^{2} \)
89 \( 1 - 2T + 89T^{2} \)
97 \( 1 - 4T + 97T^{2} \)
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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

−7.938712579674749341027435627717, −7.04640742334732456526016431617, −6.56536775431522621880388433485, −5.91642868261680090152416654750, −5.05492272558939153819359159147, −4.90106940327372207356123000447, −3.56119392165859084201390689793, −2.86439867737768881148439064396, −1.66680322850065496209100505128, −0.22620076627417607289201011686, 0.22620076627417607289201011686, 1.66680322850065496209100505128, 2.86439867737768881148439064396, 3.56119392165859084201390689793, 4.90106940327372207356123000447, 5.05492272558939153819359159147, 5.91642868261680090152416654750, 6.56536775431522621880388433485, 7.04640742334732456526016431617, 7.938712579674749341027435627717

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