Properties

Label 2-123840-1.1-c1-0-12
Degree $2$
Conductor $123840$
Sign $1$
Analytic cond. $988.867$
Root an. cond. $31.4462$
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  − 5-s − 2·7-s + 2·11-s + 2·13-s − 4·17-s + 25-s − 2·29-s − 8·31-s + 2·35-s − 8·37-s + 8·41-s + 43-s − 8·47-s − 3·49-s + 14·53-s − 2·55-s + 10·59-s + 12·61-s − 2·65-s + 12·67-s − 8·71-s − 2·73-s − 4·77-s + 4·79-s + 6·83-s + 4·85-s + 18·89-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.755·7-s + 0.603·11-s + 0.554·13-s − 0.970·17-s + 1/5·25-s − 0.371·29-s − 1.43·31-s + 0.338·35-s − 1.31·37-s + 1.24·41-s + 0.152·43-s − 1.16·47-s − 3/7·49-s + 1.92·53-s − 0.269·55-s + 1.30·59-s + 1.53·61-s − 0.248·65-s + 1.46·67-s − 0.949·71-s − 0.234·73-s − 0.455·77-s + 0.450·79-s + 0.658·83-s + 0.433·85-s + 1.90·89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 123840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 123840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(123840\)    =    \(2^{6} \cdot 3^{2} \cdot 5 \cdot 43\)
Sign: $1$
Analytic conductor: \(988.867\)
Root analytic conductor: \(31.4462\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 123840,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.327009480\)
\(L(\frac12)\) \(\approx\) \(1.327009480\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
43 \( 1 - T \)
good7 \( 1 + 2 T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 14 T + p T^{2} \)
59 \( 1 - 10 T + p T^{2} \)
61 \( 1 - 12 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 - 6 T + p T^{2} \)
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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

−13.28656872614530, −13.03890279239497, −12.79485418066313, −11.91720776188466, −11.69717876543462, −11.15208222165578, −10.64059760004690, −10.23443437771138, −9.418271113298571, −9.265616587214665, −8.565925306120462, −8.341984132084862, −7.373795781669610, −7.180364407071111, −6.472339023637079, −6.242080628964981, −5.392952607580212, −5.040892032620218, −4.126768433080684, −3.733504976620848, −3.461503803060988, −2.491263854526830, −2.022848223194191, −1.143925588548737, −0.3765342065980999, 0.3765342065980999, 1.143925588548737, 2.022848223194191, 2.491263854526830, 3.461503803060988, 3.733504976620848, 4.126768433080684, 5.040892032620218, 5.392952607580212, 6.242080628964981, 6.472339023637079, 7.180364407071111, 7.373795781669610, 8.341984132084862, 8.565925306120462, 9.265616587214665, 9.418271113298571, 10.23443437771138, 10.64059760004690, 11.15208222165578, 11.69717876543462, 11.91720776188466, 12.79485418066313, 13.03890279239497, 13.28656872614530

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