Properties

Label 2-1380-69.68-c1-0-27
Degree $2$
Conductor $1380$
Sign $0.423 + 0.905i$
Analytic cond. $11.0193$
Root an. cond. $3.31954$
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  + (1.32 − 1.11i)3-s + 5-s − 1.85i·7-s + (0.492 − 2.95i)9-s + 5.93·11-s − 1.57·13-s + (1.32 − 1.11i)15-s + 4.36·17-s − 0.298i·19-s + (−2.07 − 2.44i)21-s + (−1.25 + 4.62i)23-s + 25-s + (−2.66 − 4.46i)27-s + 6.89i·29-s − 9.74·31-s + ⋯
L(s)  = 1  + (0.762 − 0.646i)3-s + 0.447·5-s − 0.699i·7-s + (0.164 − 0.986i)9-s + 1.78·11-s − 0.436·13-s + (0.341 − 0.289i)15-s + 1.05·17-s − 0.0684i·19-s + (−0.452 − 0.533i)21-s + (−0.262 + 0.964i)23-s + 0.200·25-s + (−0.512 − 0.858i)27-s + 1.27i·29-s − 1.75·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.423 + 0.905i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.423 + 0.905i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1380\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 23\)
Sign: $0.423 + 0.905i$
Analytic conductor: \(11.0193\)
Root analytic conductor: \(3.31954\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1380} (1241, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1380,\ (\ :1/2),\ 0.423 + 0.905i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.596536815\)
\(L(\frac12)\) \(\approx\) \(2.596536815\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.32 + 1.11i)T \)
5 \( 1 - T \)
23 \( 1 + (1.25 - 4.62i)T \)
good7 \( 1 + 1.85iT - 7T^{2} \)
11 \( 1 - 5.93T + 11T^{2} \)
13 \( 1 + 1.57T + 13T^{2} \)
17 \( 1 - 4.36T + 17T^{2} \)
19 \( 1 + 0.298iT - 19T^{2} \)
29 \( 1 - 6.89iT - 29T^{2} \)
31 \( 1 + 9.74T + 31T^{2} \)
37 \( 1 + 7.74iT - 37T^{2} \)
41 \( 1 + 7.49iT - 41T^{2} \)
43 \( 1 - 4.96iT - 43T^{2} \)
47 \( 1 + 4.73iT - 47T^{2} \)
53 \( 1 - 2.15T + 53T^{2} \)
59 \( 1 + 3.27iT - 59T^{2} \)
61 \( 1 - 12.6iT - 61T^{2} \)
67 \( 1 + 13.5iT - 67T^{2} \)
71 \( 1 - 1.09iT - 71T^{2} \)
73 \( 1 + 9.96T + 73T^{2} \)
79 \( 1 + 5.00iT - 79T^{2} \)
83 \( 1 - 5.01T + 83T^{2} \)
89 \( 1 - 8.95T + 89T^{2} \)
97 \( 1 - 11.2iT - 97T^{2} \)
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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

−9.191258360428458129300078405089, −8.904709559703308503917581394404, −7.50119678210524241838643105519, −7.25798704529090725675607422343, −6.31155044203120479455608320759, −5.38247423402469064272502098622, −3.91394231876621275106226011107, −3.45166539037712165659134798907, −1.96074177149332572165560323968, −1.10951048006255772023543905717, 1.58736644403111952728719586083, 2.64803663634045470161291540364, 3.67290770067987829322516511695, 4.51179599246171167000842143949, 5.55227484483251265002236558231, 6.36227986995741023260187750679, 7.39764348156098885277835383849, 8.365836082226616731287234497113, 9.013442356013818540969264781374, 9.659347937198623308866384072741

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