Properties

Label 2-156-39.38-c2-0-8
Degree $2$
Conductor $156$
Sign $-0.552 + 0.833i$
Analytic cond. $4.25069$
Root an. cond. $2.06172$
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  + (−2.5 − 1.65i)3-s + 3.31·5-s − 7i·7-s + (3.5 + 8.29i)9-s − 19.8·11-s − 13i·13-s + (−8.29 − 5.5i)15-s − 23.2i·17-s − 30i·19-s + (−11.6 + 17.5i)21-s + 26.5i·23-s − 14·25-s + (4.99 − 26.5i)27-s + 33.1i·29-s − 10i·31-s + ⋯
L(s)  = 1  + (−0.833 − 0.552i)3-s + 0.663·5-s i·7-s + (0.388 + 0.921i)9-s − 1.80·11-s i·13-s + (−0.552 − 0.366i)15-s − 1.36i·17-s − 1.57i·19-s + (−0.552 + 0.833i)21-s + 1.15i·23-s − 0.560·25-s + (0.185 − 0.982i)27-s + 1.14i·29-s − 0.322i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 156 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.552 + 0.833i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 156 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.552 + 0.833i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(156\)    =    \(2^{2} \cdot 3 \cdot 13\)
Sign: $-0.552 + 0.833i$
Analytic conductor: \(4.25069\)
Root analytic conductor: \(2.06172\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{156} (77, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 156,\ (\ :1),\ -0.552 + 0.833i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.415008 - 0.773295i\)
\(L(\frac12)\) \(\approx\) \(0.415008 - 0.773295i\)
\(L(2)\) 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 \( 1 + (2.5 + 1.65i)T \)
13 \( 1 + 13iT \)
good5 \( 1 - 3.31T + 25T^{2} \)
7 \( 1 + 7iT - 49T^{2} \)
11 \( 1 + 19.8T + 121T^{2} \)
17 \( 1 + 23.2iT - 289T^{2} \)
19 \( 1 + 30iT - 361T^{2} \)
23 \( 1 - 26.5iT - 529T^{2} \)
29 \( 1 - 33.1iT - 841T^{2} \)
31 \( 1 + 10iT - 961T^{2} \)
37 \( 1 - 13iT - 1.36e3T^{2} \)
41 \( 1 - 46.4T + 1.68e3T^{2} \)
43 \( 1 - 55T + 1.84e3T^{2} \)
47 \( 1 - 49.7T + 2.20e3T^{2} \)
53 \( 1 + 39.7iT - 2.80e3T^{2} \)
59 \( 1 + 92.8T + 3.48e3T^{2} \)
61 \( 1 - 14T + 3.72e3T^{2} \)
67 \( 1 + 16iT - 4.48e3T^{2} \)
71 \( 1 - 29.8T + 5.04e3T^{2} \)
73 \( 1 - 4iT - 5.32e3T^{2} \)
79 \( 1 - 54T + 6.24e3T^{2} \)
83 \( 1 - 33.1T + 6.88e3T^{2} \)
89 \( 1 + 19.8T + 7.92e3T^{2} \)
97 \( 1 - 78iT - 9.40e3T^{2} \)
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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

−12.55437651439348987486740093466, −11.11181255810964703944207608157, −10.60004865659824332702336286214, −9.540215439167404283204077465927, −7.72517547592097234059331833595, −7.18804205827608915971351313686, −5.66371336293876474351067653663, −4.91431211210998471922237647992, −2.65533525078992048287167881540, −0.59402013560230278953017744788, 2.24687389841936803684487457584, 4.25205120928399733494593069769, 5.68309921313460588910684234404, 6.08136923529200378577822445977, 7.915105774694383149082892751279, 9.148901320295179468709797098845, 10.19903470216553760875536084508, 10.82579923724576719367586123944, 12.19694254188398388049068271708, 12.70737307571162085427735275109

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