Properties

Label 2-1656-69.68-c1-0-9
Degree $2$
Conductor $1656$
Sign $0.532 + 0.846i$
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  − 4.10·5-s + 1.73i·7-s + 3.47·11-s − 4.27·13-s − 5.54·17-s + 4.56i·19-s + (0.257 − 4.78i)23-s + 11.8·25-s − 7.63i·29-s + 7.08·31-s − 7.12i·35-s + 1.02i·37-s + 3.66i·41-s + 0.721i·43-s + 2.63i·47-s + ⋯
L(s)  = 1  − 1.83·5-s + 0.657i·7-s + 1.04·11-s − 1.18·13-s − 1.34·17-s + 1.04i·19-s + (0.0537 − 0.998i)23-s + 2.36·25-s − 1.41i·29-s + 1.27·31-s − 1.20i·35-s + 0.167i·37-s + 0.572i·41-s + 0.109i·43-s + 0.384i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.532 + 0.846i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1656 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.532 + 0.846i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1656\)    =    \(2^{3} \cdot 3^{2} \cdot 23\)
Sign: $0.532 + 0.846i$
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: \((2,\ 1656,\ (\ :1/2),\ 0.532 + 0.846i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7560721612\)
\(L(\frac12)\) \(\approx\) \(0.7560721612\)
\(L(\frac{3}{2})\) 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 \( 1 + (-0.257 + 4.78i)T \)
good5 \( 1 + 4.10T + 5T^{2} \)
7 \( 1 - 1.73iT - 7T^{2} \)
11 \( 1 - 3.47T + 11T^{2} \)
13 \( 1 + 4.27T + 13T^{2} \)
17 \( 1 + 5.54T + 17T^{2} \)
19 \( 1 - 4.56iT - 19T^{2} \)
29 \( 1 + 7.63iT - 29T^{2} \)
31 \( 1 - 7.08T + 31T^{2} \)
37 \( 1 - 1.02iT - 37T^{2} \)
41 \( 1 - 3.66iT - 41T^{2} \)
43 \( 1 - 0.721iT - 43T^{2} \)
47 \( 1 - 2.63iT - 47T^{2} \)
53 \( 1 + 1.12T + 53T^{2} \)
59 \( 1 + 12.4iT - 59T^{2} \)
61 \( 1 + 11.1iT - 61T^{2} \)
67 \( 1 + 2.39iT - 67T^{2} \)
71 \( 1 + 0.495iT - 71T^{2} \)
73 \( 1 - 5.00T + 73T^{2} \)
79 \( 1 + 15.0iT - 79T^{2} \)
83 \( 1 - 15.2T + 83T^{2} \)
89 \( 1 - 2.94T + 89T^{2} \)
97 \( 1 - 1.86iT - 97T^{2} \)
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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

−9.120981510446664339726775095348, −8.277255553882578417441146881974, −7.86113806046332798293198353643, −6.83127655168617746421747043713, −6.24272300459892963147027941938, −4.71853568990289552857274204678, −4.34728163268761878898158910791, −3.33730130879705893868237287071, −2.22899729808473198433677411160, −0.39330186954548990049629848044, 0.900824170310170229435315754514, 2.67722484307343870281113703396, 3.78811484157324144678079589090, 4.33347543607996302738810583548, 5.09457115895706665665848076336, 6.79004071493308619025431937241, 7.03668796757263774548655737127, 7.77492230915893869796127416464, 8.748767878482404815542055220426, 9.250383513321883988227363009552

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