Properties

Label 2-156-13.12-c1-0-2
Degree $2$
Conductor $156$
Sign $0.277 + 0.960i$
Analytic cond. $1.24566$
Root an. cond. $1.11609$
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  − 3-s − 3.46i·5-s + 9-s − 3.46i·11-s + (−1 − 3.46i)13-s + 3.46i·15-s + 6·17-s + 6.92i·19-s − 6.99·25-s − 27-s − 6·29-s + 6.92i·31-s + 3.46i·33-s + (1 + 3.46i)39-s + 3.46i·41-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.54i·5-s + 0.333·9-s − 1.04i·11-s + (−0.277 − 0.960i)13-s + 0.894i·15-s + 1.45·17-s + 1.58i·19-s − 1.39·25-s − 0.192·27-s − 1.11·29-s + 1.24i·31-s + 0.603i·33-s + (0.160 + 0.554i)39-s + 0.541i·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 156 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.277 + 0.960i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 156 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.277 + 0.960i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(156\)    =    \(2^{2} \cdot 3 \cdot 13\)
Sign: $0.277 + 0.960i$
Analytic conductor: \(1.24566\)
Root analytic conductor: \(1.11609\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{156} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 156,\ (\ :1/2),\ 0.277 + 0.960i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.734960 - 0.552806i\)
\(L(\frac12)\) \(\approx\) \(0.734960 - 0.552806i\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
13 \( 1 + (1 + 3.46i)T \)
good5 \( 1 + 3.46iT - 5T^{2} \)
7 \( 1 - 7T^{2} \)
11 \( 1 + 3.46iT - 11T^{2} \)
17 \( 1 - 6T + 17T^{2} \)
19 \( 1 - 6.92iT - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 6T + 29T^{2} \)
31 \( 1 - 6.92iT - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 - 3.46iT - 41T^{2} \)
43 \( 1 - 8T + 43T^{2} \)
47 \( 1 + 3.46iT - 47T^{2} \)
53 \( 1 - 6T + 53T^{2} \)
59 \( 1 - 3.46iT - 59T^{2} \)
61 \( 1 - 10T + 61T^{2} \)
67 \( 1 + 13.8iT - 67T^{2} \)
71 \( 1 + 10.3iT - 71T^{2} \)
73 \( 1 - 6.92iT - 73T^{2} \)
79 \( 1 + 8T + 79T^{2} \)
83 \( 1 - 3.46iT - 83T^{2} \)
89 \( 1 - 17.3iT - 89T^{2} \)
97 \( 1 + 6.92iT - 97T^{2} \)
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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

−12.47777993442475047537149674355, −12.09610087274707295390961533868, −10.71055167168886695063167322870, −9.716465742809212230492610989670, −8.521078990654490500488221615857, −7.70741301796249880192626477598, −5.77786494731870035702275547812, −5.30027144236001040420495900093, −3.70099785460390951534581930114, −1.05917143047944965551776844665, 2.45404452071008238939658620604, 4.11773132345347272338645197902, 5.66781894923398035828050631991, 6.97033036257582538033588600299, 7.40068433771956951407573032606, 9.386613936137468690359682807859, 10.21490113531554331368334859418, 11.20432290249664774404681518217, 11.88890078798112065973412722504, 13.10698815434128974986256965818

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