Properties

Label 2-42320-1.1-c1-0-1
Degree $2$
Conductor $42320$
Sign $1$
Analytic cond. $337.926$
Root an. cond. $18.3827$
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 − 4·7-s − 3·9-s + 4·11-s − 2·13-s − 2·17-s + 4·19-s + 25-s − 2·29-s + 8·31-s + 4·35-s − 6·37-s − 6·41-s − 8·43-s + 3·45-s − 4·47-s + 9·49-s − 6·53-s − 4·55-s + 4·59-s + 2·61-s + 12·63-s + 2·65-s + 8·67-s − 6·73-s − 16·77-s + 9·81-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.51·7-s − 9-s + 1.20·11-s − 0.554·13-s − 0.485·17-s + 0.917·19-s + 1/5·25-s − 0.371·29-s + 1.43·31-s + 0.676·35-s − 0.986·37-s − 0.937·41-s − 1.21·43-s + 0.447·45-s − 0.583·47-s + 9/7·49-s − 0.824·53-s − 0.539·55-s + 0.520·59-s + 0.256·61-s + 1.51·63-s + 0.248·65-s + 0.977·67-s − 0.702·73-s − 1.82·77-s + 81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 42320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 42320 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(42320\)    =    \(2^{4} \cdot 5 \cdot 23^{2}\)
Sign: $1$
Analytic conductor: \(337.926\)
Root analytic conductor: \(18.3827\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 42320,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6190427942\)
\(L(\frac12)\) \(\approx\) \(0.6190427942\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
23 \( 1 \)
good3 \( 1 + p T^{2} \)
7 \( 1 + 4 T + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 + 16 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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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

−14.59897370024931, −14.30510404612971, −13.59170500291267, −13.28530826966776, −12.55309048870522, −12.05078775475141, −11.62840233794379, −11.34206361011766, −10.37153799546936, −9.948832140748800, −9.459255669153475, −8.917987777487455, −8.466210330673902, −7.798293205481762, −6.994753978824983, −6.625581380185037, −6.246698915590742, −5.439374530011303, −4.881002353822976, −4.057435541394965, −3.369420165549608, −3.131381918489652, −2.315916364209912, −1.294638379837364, −0.2943545743529619, 0.2943545743529619, 1.294638379837364, 2.315916364209912, 3.131381918489652, 3.369420165549608, 4.057435541394965, 4.881002353822976, 5.439374530011303, 6.246698915590742, 6.625581380185037, 6.994753978824983, 7.798293205481762, 8.466210330673902, 8.917987777487455, 9.459255669153475, 9.948832140748800, 10.37153799546936, 11.34206361011766, 11.62840233794379, 12.05078775475141, 12.55309048870522, 13.28530826966776, 13.59170500291267, 14.30510404612971, 14.59897370024931

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