Properties

Label 2-30800-1.1-c1-0-25
Degree $2$
Conductor $30800$
Sign $1$
Analytic cond. $245.939$
Root an. cond. $15.6824$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·3-s + 7-s + 9-s + 11-s + 4·13-s + 4·19-s − 2·21-s + 4·27-s − 6·29-s + 10·31-s − 2·33-s − 2·37-s − 8·39-s − 12·41-s − 4·43-s + 6·47-s + 49-s + 6·53-s − 8·57-s + 6·59-s − 4·61-s + 63-s − 4·67-s − 12·71-s + 4·73-s + 77-s − 8·79-s + ⋯
L(s)  = 1  − 1.15·3-s + 0.377·7-s + 1/3·9-s + 0.301·11-s + 1.10·13-s + 0.917·19-s − 0.436·21-s + 0.769·27-s − 1.11·29-s + 1.79·31-s − 0.348·33-s − 0.328·37-s − 1.28·39-s − 1.87·41-s − 0.609·43-s + 0.875·47-s + 1/7·49-s + 0.824·53-s − 1.05·57-s + 0.781·59-s − 0.512·61-s + 0.125·63-s − 0.488·67-s − 1.42·71-s + 0.468·73-s + 0.113·77-s − 0.900·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 30800 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 30800 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(30800\)    =    \(2^{4} \cdot 5^{2} \cdot 7 \cdot 11\)
Sign: $1$
Analytic conductor: \(245.939\)
Root analytic conductor: \(15.6824\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 30800,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.657617244\)
\(L(\frac12)\) \(\approx\) \(1.657617244\)
\(L(\frac{3}{2})\) 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 \( 1 \)
7 \( 1 - T \)
11 \( 1 - T \)
good3 \( 1 + 2 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 10 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 + 12 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 + 4 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 - 10 T + p T^{2} \)
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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

−15.28447304708807, −14.57395104195307, −13.96674633747016, −13.45021067601467, −13.10048081496047, −12.11785764656676, −11.81182479507465, −11.55009899279523, −10.90737243452518, −10.32135603135949, −9.998634821305627, −9.011652290591431, −8.677874383298734, −8.006831436968514, −7.291683138232883, −6.723734772611749, −6.080007592622997, −5.732459365736906, −5.004538834516158, −4.580935216073206, −3.661356023122089, −3.163513030553258, −2.062778099631307, −1.247188800808953, −0.5952614736004134, 0.5952614736004134, 1.247188800808953, 2.062778099631307, 3.163513030553258, 3.661356023122089, 4.580935216073206, 5.004538834516158, 5.732459365736906, 6.080007592622997, 6.723734772611749, 7.291683138232883, 8.006831436968514, 8.677874383298734, 9.011652290591431, 9.998634821305627, 10.32135603135949, 10.90737243452518, 11.55009899279523, 11.81182479507465, 12.11785764656676, 13.10048081496047, 13.45021067601467, 13.96674633747016, 14.57395104195307, 15.28447304708807

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