Properties

Label 2-3870-129.128-c1-0-42
Degree $2$
Conductor $3870$
Sign $0.607 + 0.794i$
Analytic cond. $30.9021$
Root an. cond. $5.55896$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s − 5-s + 1.92i·7-s + 8-s − 10-s − 2.15i·11-s + 2.99·13-s + 1.92i·14-s + 16-s − 7.71i·17-s − 4.37i·19-s − 20-s − 2.15i·22-s + 6.55i·23-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s − 0.447·5-s + 0.729i·7-s + 0.353·8-s − 0.316·10-s − 0.649i·11-s + 0.830·13-s + 0.515i·14-s + 0.250·16-s − 1.87i·17-s − 1.00i·19-s − 0.223·20-s − 0.459i·22-s + 1.36i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3870 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.607 + 0.794i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3870 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.607 + 0.794i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3870\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 43\)
Sign: $0.607 + 0.794i$
Analytic conductor: \(30.9021\)
Root analytic conductor: \(5.55896\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{3870} (2321, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 3870,\ (\ :1/2),\ 0.607 + 0.794i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.598923137\)
\(L(\frac12)\) \(\approx\) \(2.598923137\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
5 \( 1 + T \)
43 \( 1 + (-6.55 + 0.244i)T \)
good7 \( 1 - 1.92iT - 7T^{2} \)
11 \( 1 + 2.15iT - 11T^{2} \)
13 \( 1 - 2.99T + 13T^{2} \)
17 \( 1 + 7.71iT - 17T^{2} \)
19 \( 1 + 4.37iT - 19T^{2} \)
23 \( 1 - 6.55iT - 23T^{2} \)
29 \( 1 + 7.88T + 29T^{2} \)
31 \( 1 - 0.611T + 31T^{2} \)
37 \( 1 + 6.19iT - 37T^{2} \)
41 \( 1 + 0.159iT - 41T^{2} \)
47 \( 1 + 7.35iT - 47T^{2} \)
53 \( 1 + 3.69iT - 53T^{2} \)
59 \( 1 - 6.73iT - 59T^{2} \)
61 \( 1 - 2.00iT - 61T^{2} \)
67 \( 1 + 3.37T + 67T^{2} \)
71 \( 1 - 12.9T + 71T^{2} \)
73 \( 1 + 1.50iT - 73T^{2} \)
79 \( 1 - 2.90T + 79T^{2} \)
83 \( 1 + 12.8iT - 83T^{2} \)
89 \( 1 + 3.11T + 89T^{2} \)
97 \( 1 + 3.54T + 97T^{2} \)
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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

−8.388268332009071524403685639170, −7.34938664604756258306293403782, −7.06047481404053765025372971427, −5.79409810573027538522899164079, −5.54058468498633236152313783500, −4.60927278514668435813096615185, −3.65667106539362425529870650179, −3.02043568730348878213641339256, −2.08480268015294771185428354038, −0.63085174346524731062025545057, 1.19774267390643267280660756588, 2.15919245859567717313263198908, 3.47421736629459193980868238725, 3.99747293859000309159486678930, 4.55037242069338416701584436916, 5.69581975044640295368001329294, 6.31052434963157469217526106593, 6.99146001413956871179530221483, 7.950174087088016959394049691246, 8.229526610494065110703743270133

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