Properties

Label 2-1620-9.5-c2-0-26
Degree $2$
Conductor $1620$
Sign $0.173 + 0.984i$
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  + (1.93 + 1.11i)5-s + (0.854 + 1.47i)7-s + (3.21 − 1.85i)11-s + (6.85 − 11.8i)13-s − 15i·17-s − 14.4·19-s + (−6.56 − 3.79i)23-s + (2.5 + 4.33i)25-s + (8.40 − 4.85i)29-s + (10.2 − 17.6i)31-s + 3.81i·35-s − 56.2·37-s + (−36.8 − 21.2i)41-s + (8.97 + 15.5i)43-s + (1.22 − 0.708i)47-s + ⋯
L(s)  = 1  + (0.387 + 0.223i)5-s + (0.122 + 0.211i)7-s + (0.291 − 0.168i)11-s + (0.527 − 0.913i)13-s − 0.882i·17-s − 0.758·19-s + (−0.285 − 0.164i)23-s + (0.100 + 0.173i)25-s + (0.289 − 0.167i)29-s + (0.329 − 0.570i)31-s + 0.109i·35-s − 1.52·37-s + (−0.898 − 0.518i)41-s + (0.208 + 0.361i)43-s + (0.0260 − 0.0150i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.173 + 0.984i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.173 + 0.984i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $0.173 + 0.984i$
Analytic conductor: \(44.1418\)
Root analytic conductor: \(6.64392\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (701, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1),\ 0.173 + 0.984i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.759274152\)
\(L(\frac12)\) \(\approx\) \(1.759274152\)
\(L(2)\) 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 \( 1 + (-1.93 - 1.11i)T \)
good7 \( 1 + (-0.854 - 1.47i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 + (-3.21 + 1.85i)T + (60.5 - 104. i)T^{2} \)
13 \( 1 + (-6.85 + 11.8i)T + (-84.5 - 146. i)T^{2} \)
17 \( 1 + 15iT - 289T^{2} \)
19 \( 1 + 14.4T + 361T^{2} \)
23 \( 1 + (6.56 + 3.79i)T + (264.5 + 458. i)T^{2} \)
29 \( 1 + (-8.40 + 4.85i)T + (420.5 - 728. i)T^{2} \)
31 \( 1 + (-10.2 + 17.6i)T + (-480.5 - 832. i)T^{2} \)
37 \( 1 + 56.2T + 1.36e3T^{2} \)
41 \( 1 + (36.8 + 21.2i)T + (840.5 + 1.45e3i)T^{2} \)
43 \( 1 + (-8.97 - 15.5i)T + (-924.5 + 1.60e3i)T^{2} \)
47 \( 1 + (-1.22 + 0.708i)T + (1.10e3 - 1.91e3i)T^{2} \)
53 \( 1 + 70.0iT - 2.80e3T^{2} \)
59 \( 1 + (-26.7 - 15.4i)T + (1.74e3 + 3.01e3i)T^{2} \)
61 \( 1 + (-40.7 - 70.5i)T + (-1.86e3 + 3.22e3i)T^{2} \)
67 \( 1 + (7 - 12.1i)T + (-2.24e3 - 3.88e3i)T^{2} \)
71 \( 1 + 1.95iT - 5.04e3T^{2} \)
73 \( 1 + 27.1T + 5.32e3T^{2} \)
79 \( 1 + (6.74 + 11.6i)T + (-3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (-64.3 + 37.1i)T + (3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 + 123. iT - 7.92e3T^{2} \)
97 \( 1 + (-5.70 - 9.88i)T + (-4.70e3 + 8.14e3i)T^{2} \)
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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

−8.852940648968295963603621519741, −8.436157535038519253894294372265, −7.38312745958260743882067464557, −6.58113429122790638860153550639, −5.77031110453312162503209588766, −5.01921819109504392010292548687, −3.87821943627917026263493401349, −2.91912333784811674514247236884, −1.88527447057827602977863593004, −0.48188617691692294171128384610, 1.27921123532902005630494551857, 2.13353095978684806082180039537, 3.55863562477775854908640898053, 4.33584925031645893936863333829, 5.25973250117059299434187643207, 6.31868624129681224553576417951, 6.76690451278177105254479799216, 7.907021994414003086462861016763, 8.699435049541528167560800429582, 9.233156303839297085654119876759

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