Properties

Label 2-1440-8.5-c1-0-6
Degree $2$
Conductor $1440$
Sign $0.102 - 0.994i$
Analytic cond. $11.4984$
Root an. cond. $3.39093$
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  + i·5-s + 3.62·7-s + 6.20i·11-s − 0.578i·13-s − 1.42·17-s + 5.62i·19-s − 5.62·23-s − 25-s − 2i·29-s + 2.57·31-s + 3.62i·35-s − 7.83i·37-s − 5.25·41-s + 7.25i·43-s + 6.78·47-s + ⋯
L(s)  = 1  + 0.447i·5-s + 1.37·7-s + 1.87i·11-s − 0.160i·13-s − 0.344·17-s + 1.29i·19-s − 1.17·23-s − 0.200·25-s − 0.371i·29-s + 0.463·31-s + 0.613i·35-s − 1.28i·37-s − 0.820·41-s + 1.10i·43-s + 0.989·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.102 - 0.994i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.102 - 0.994i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $0.102 - 0.994i$
Analytic conductor: \(11.4984\)
Root analytic conductor: \(3.39093\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1440} (721, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1440,\ (\ :1/2),\ 0.102 - 0.994i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.732607846\)
\(L(\frac12)\) \(\approx\) \(1.732607846\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 - iT \)
good7 \( 1 - 3.62T + 7T^{2} \)
11 \( 1 - 6.20iT - 11T^{2} \)
13 \( 1 + 0.578iT - 13T^{2} \)
17 \( 1 + 1.42T + 17T^{2} \)
19 \( 1 - 5.62iT - 19T^{2} \)
23 \( 1 + 5.62T + 23T^{2} \)
29 \( 1 + 2iT - 29T^{2} \)
31 \( 1 - 2.57T + 31T^{2} \)
37 \( 1 + 7.83iT - 37T^{2} \)
41 \( 1 + 5.25T + 41T^{2} \)
43 \( 1 - 7.25iT - 43T^{2} \)
47 \( 1 - 6.78T + 47T^{2} \)
53 \( 1 - 2iT - 53T^{2} \)
59 \( 1 + 2.20iT - 59T^{2} \)
61 \( 1 - 12.4iT - 61T^{2} \)
67 \( 1 + 4iT - 67T^{2} \)
71 \( 1 - 8.41T + 71T^{2} \)
73 \( 1 + 6T + 73T^{2} \)
79 \( 1 + 5.42T + 79T^{2} \)
83 \( 1 - 3.25iT - 83T^{2} \)
89 \( 1 - 13.2T + 89T^{2} \)
97 \( 1 - 4.84T + 97T^{2} \)
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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

−9.938050853625027180367261150086, −8.880599719857831111025449584280, −7.80380776209041882169206740385, −7.60448807404857096268802131775, −6.50018058775710697729025678216, −5.52524643163758873239481048999, −4.57401080513214061480639821641, −3.95075975456067024044135275394, −2.33826258683604850619542317129, −1.64911576560271684594162071888, 0.70704721636664007484918652880, 1.96922259172711131695242183165, 3.24185733371795547997575237769, 4.37504795872916780924194513581, 5.13087514020431316779887899729, 5.93156286395819600450866071245, 6.90793712905777005865927382725, 8.047534672893356166980339519236, 8.468893330550148378611350667661, 9.068215689439634171243618224868

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