Properties

Label 2-1656-69.68-c1-0-0
Degree $2$
Conductor $1656$
Sign $-0.988 + 0.153i$
Analytic cond. $13.2232$
Root an. cond. $3.63637$
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  + 1.83·5-s + 1.64i·7-s − 3.26·11-s − 3.78·13-s − 6.03·17-s − 2.35i·19-s + (−3.44 + 3.33i)23-s − 1.63·25-s − 7.92i·29-s − 7.60·31-s + 3.01i·35-s − 0.936i·37-s − 8.18i·41-s + 11.8i·43-s − 5.94i·47-s + ⋯
L(s)  = 1  + 0.819·5-s + 0.620i·7-s − 0.983·11-s − 1.05·13-s − 1.46·17-s − 0.540i·19-s + (−0.718 + 0.695i)23-s − 0.327·25-s − 1.47i·29-s − 1.36·31-s + 0.509i·35-s − 0.154i·37-s − 1.27i·41-s + 1.80i·43-s − 0.866i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.988 + 0.153i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.988 + 0.153i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1656\)    =    \(2^{3} \cdot 3^{2} \cdot 23\)
Sign: $-0.988 + 0.153i$
Analytic conductor: \(13.2232\)
Root analytic conductor: \(3.63637\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1656} (1241, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1656,\ (\ :1/2),\ -0.988 + 0.153i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.009911208352\)
\(L(\frac12)\) \(\approx\) \(0.009911208352\)
\(L(\frac{3}{2})\) 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 \( 1 \)
23 \( 1 + (3.44 - 3.33i)T \)
good5 \( 1 - 1.83T + 5T^{2} \)
7 \( 1 - 1.64iT - 7T^{2} \)
11 \( 1 + 3.26T + 11T^{2} \)
13 \( 1 + 3.78T + 13T^{2} \)
17 \( 1 + 6.03T + 17T^{2} \)
19 \( 1 + 2.35iT - 19T^{2} \)
29 \( 1 + 7.92iT - 29T^{2} \)
31 \( 1 + 7.60T + 31T^{2} \)
37 \( 1 + 0.936iT - 37T^{2} \)
41 \( 1 + 8.18iT - 41T^{2} \)
43 \( 1 - 11.8iT - 43T^{2} \)
47 \( 1 + 5.94iT - 47T^{2} \)
53 \( 1 - 1.87T + 53T^{2} \)
59 \( 1 + 7.09iT - 59T^{2} \)
61 \( 1 + 2.92iT - 61T^{2} \)
67 \( 1 - 13.4iT - 67T^{2} \)
71 \( 1 - 1.06iT - 71T^{2} \)
73 \( 1 - 13.8T + 73T^{2} \)
79 \( 1 + 0.0827iT - 79T^{2} \)
83 \( 1 - 13.4T + 83T^{2} \)
89 \( 1 + 13.8T + 89T^{2} \)
97 \( 1 + 4.44iT - 97T^{2} \)
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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

−9.626485023248813803657110839453, −9.211187778265421004722758691562, −8.199719090592866298888061245534, −7.42796537613961260274221764141, −6.50487809505881461811798576213, −5.62175874829046848890596471726, −5.07317952437680803952257177463, −3.97010703724083471030812444841, −2.42817338940478528001936416973, −2.17142145152401097309028556353, 0.00327626771662123260717537289, 1.83400466665881333646571750172, 2.63087368090133320710826054647, 3.93661824107106110168462472402, 4.89498017528993286562347276274, 5.61326495197324542273167955894, 6.60555313494840950802726384779, 7.30858155301834585695814195243, 8.122930128762939345898683992339, 9.078095074534571721880268286328

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