Properties

Label 2-1620-15.14-c2-0-9
Degree $2$
Conductor $1620$
Sign $0.526 - 0.850i$
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  + (−4.25 − 2.63i)5-s + 2.72i·7-s − 3.20i·11-s − 7.99i·13-s − 1.82·17-s − 15.4·19-s − 32.3·23-s + (11.1 + 22.3i)25-s + 29.5i·29-s + 53.0·31-s + (7.16 − 11.5i)35-s + 30.0i·37-s − 76.8i·41-s − 8.98i·43-s + 11.8·47-s + ⋯
L(s)  = 1  + (−0.850 − 0.526i)5-s + 0.388i·7-s − 0.291i·11-s − 0.614i·13-s − 0.107·17-s − 0.812·19-s − 1.40·23-s + (0.445 + 0.895i)25-s + 1.01i·29-s + 1.70·31-s + (0.204 − 0.330i)35-s + 0.812i·37-s − 1.87i·41-s − 0.208i·43-s + 0.252·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.526 - 0.850i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.526 - 0.850i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $0.526 - 0.850i$
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: \((2,\ 1620,\ (\ :1),\ 0.526 - 0.850i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.037294401\)
\(L(\frac12)\) \(\approx\) \(1.037294401\)
\(L(2)\) 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 \( 1 + (4.25 + 2.63i)T \)
good7 \( 1 - 2.72iT - 49T^{2} \)
11 \( 1 + 3.20iT - 121T^{2} \)
13 \( 1 + 7.99iT - 169T^{2} \)
17 \( 1 + 1.82T + 289T^{2} \)
19 \( 1 + 15.4T + 361T^{2} \)
23 \( 1 + 32.3T + 529T^{2} \)
29 \( 1 - 29.5iT - 841T^{2} \)
31 \( 1 - 53.0T + 961T^{2} \)
37 \( 1 - 30.0iT - 1.36e3T^{2} \)
41 \( 1 + 76.8iT - 1.68e3T^{2} \)
43 \( 1 + 8.98iT - 1.84e3T^{2} \)
47 \( 1 - 11.8T + 2.20e3T^{2} \)
53 \( 1 + 28.9T + 2.80e3T^{2} \)
59 \( 1 + 19.2iT - 3.48e3T^{2} \)
61 \( 1 + 61.9T + 3.72e3T^{2} \)
67 \( 1 - 5.18iT - 4.48e3T^{2} \)
71 \( 1 - 96.0iT - 5.04e3T^{2} \)
73 \( 1 - 127. iT - 5.32e3T^{2} \)
79 \( 1 - 48.4T + 6.24e3T^{2} \)
83 \( 1 - 96.0T + 6.88e3T^{2} \)
89 \( 1 + 21.4iT - 7.92e3T^{2} \)
97 \( 1 - 166. iT - 9.40e3T^{2} \)
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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

−9.140879858128684352120962669478, −8.430622608355075500481293966495, −7.986205576832009140885859081876, −6.98446887208006210212020386210, −6.04742436892100756599115664017, −5.18817068393339956718787750420, −4.29296560548113534463855024222, −3.45669089922723748889333127569, −2.30534018045693642938460774711, −0.864998749802167636157090369126, 0.36518278996770575546338407309, 1.97230368144562252948066039632, 3.06142931276521010486438314872, 4.22134048369247911251363906587, 4.51634521398836471952690177354, 6.13860468053606291745381217195, 6.57803097041980307338172466213, 7.67978062836356286787900808392, 8.028074629787264589004891008016, 9.059523300036182097253453726203

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