Properties

Label 2-1620-15.14-c2-0-36
Degree $2$
Conductor $1620$
Sign $0.111 + 0.993i$
Analytic cond. $44.1418$
Root an. cond. $6.64392$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.557 + 4.96i)5-s + 10.7i·7-s − 12.1i·11-s − 23.3i·13-s − 1.67·17-s + 0.234·19-s − 19.8·23-s + (−24.3 + 5.53i)25-s − 34.0i·29-s − 19.0·31-s + (−53.2 + 5.97i)35-s + 32.7i·37-s − 5.27i·41-s − 52.9i·43-s − 53.7·47-s + ⋯
L(s)  = 1  + (0.111 + 0.993i)5-s + 1.53i·7-s − 1.10i·11-s − 1.79i·13-s − 0.0987·17-s + 0.0123·19-s − 0.863·23-s + (−0.975 + 0.221i)25-s − 1.17i·29-s − 0.615·31-s + (−1.52 + 0.170i)35-s + 0.884i·37-s − 0.128i·41-s − 1.23i·43-s − 1.14·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.111 + 0.993i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.111 + 0.993i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $0.111 + 0.993i$
Analytic conductor: \(44.1418\)
Root analytic conductor: \(6.64392\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (809, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1),\ 0.111 + 0.993i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9434515740\)
\(L(\frac12)\) \(\approx\) \(0.9434515740\)
\(L(2)\) 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 \( 1 + (-0.557 - 4.96i)T \)
good7 \( 1 - 10.7iT - 49T^{2} \)
11 \( 1 + 12.1iT - 121T^{2} \)
13 \( 1 + 23.3iT - 169T^{2} \)
17 \( 1 + 1.67T + 289T^{2} \)
19 \( 1 - 0.234T + 361T^{2} \)
23 \( 1 + 19.8T + 529T^{2} \)
29 \( 1 + 34.0iT - 841T^{2} \)
31 \( 1 + 19.0T + 961T^{2} \)
37 \( 1 - 32.7iT - 1.36e3T^{2} \)
41 \( 1 + 5.27iT - 1.68e3T^{2} \)
43 \( 1 + 52.9iT - 1.84e3T^{2} \)
47 \( 1 + 53.7T + 2.20e3T^{2} \)
53 \( 1 - 84.6T + 2.80e3T^{2} \)
59 \( 1 + 88.3iT - 3.48e3T^{2} \)
61 \( 1 + 65.5T + 3.72e3T^{2} \)
67 \( 1 - 99.4iT - 4.48e3T^{2} \)
71 \( 1 + 36.8iT - 5.04e3T^{2} \)
73 \( 1 + 79.0iT - 5.32e3T^{2} \)
79 \( 1 - 35.3T + 6.24e3T^{2} \)
83 \( 1 - 27.8T + 6.88e3T^{2} \)
89 \( 1 + 152. iT - 7.92e3T^{2} \)
97 \( 1 - 97.0iT - 9.40e3T^{2} \)
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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

−8.908596004268588771875411552983, −8.239583455166677725980772538967, −7.58974730435798731554493165913, −6.30005336468035754147337082788, −5.87077548983621918345975320468, −5.20532980811727080121984666121, −3.59797184687239130877164401618, −2.92901376669619441174456170991, −2.10827777910494673171293386155, −0.25546939285736970359761774354, 1.22746020008195890808052207371, 2.01322974152932405593105180034, 3.82847132277545128717208598659, 4.34091519949284801026442804698, 5.01257970229750706273411110034, 6.30035673059794134252834432371, 7.11556975807362719133160061696, 7.64005601505891032503533112121, 8.721483779130827551838494073041, 9.435102770044926937170927675319

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