Properties

Label 2-342-57.56-c9-0-15
Degree $2$
Conductor $342$
Sign $-0.922 - 0.385i$
Analytic cond. $176.142$
Root an. cond. $13.2718$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 16·2-s + 256·4-s + 2.19e3i·5-s + 5.58e3·7-s + 4.09e3·8-s + 3.50e4i·10-s + 7.23e4i·11-s − 1.10e5i·13-s + 8.92e4·14-s + 6.55e4·16-s − 1.90e5i·17-s + (−4.81e5 + 3.01e5i)19-s + 5.60e5i·20-s + 1.15e6i·22-s + 1.44e6i·23-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s + 1.56i·5-s + 0.878·7-s + 0.353·8-s + 1.10i·10-s + 1.48i·11-s − 1.06i·13-s + 0.621·14-s + 0.250·16-s − 0.553i·17-s + (−0.847 + 0.531i)19-s + 0.783i·20-s + 1.05i·22-s + 1.07i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.922 - 0.385i)\, \overline{\Lambda}(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & (-0.922 - 0.385i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $-0.922 - 0.385i$
Analytic conductor: \(176.142\)
Root analytic conductor: \(13.2718\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: $\chi_{342} (341, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 342,\ (\ :9/2),\ -0.922 - 0.385i)\)

Particular Values

\(L(5)\) \(\approx\) \(3.131537386\)
\(L(\frac12)\) \(\approx\) \(3.131537386\)
\(L(\frac{11}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 16T \)
3 \( 1 \)
19 \( 1 + (4.81e5 - 3.01e5i)T \)
good5 \( 1 - 2.19e3iT - 1.95e6T^{2} \)
7 \( 1 - 5.58e3T + 4.03e7T^{2} \)
11 \( 1 - 7.23e4iT - 2.35e9T^{2} \)
13 \( 1 + 1.10e5iT - 1.06e10T^{2} \)
17 \( 1 + 1.90e5iT - 1.18e11T^{2} \)
23 \( 1 - 1.44e6iT - 1.80e12T^{2} \)
29 \( 1 - 1.05e6T + 1.45e13T^{2} \)
31 \( 1 - 5.61e6iT - 2.64e13T^{2} \)
37 \( 1 - 1.77e7iT - 1.29e14T^{2} \)
41 \( 1 - 2.35e7T + 3.27e14T^{2} \)
43 \( 1 + 6.07e6T + 5.02e14T^{2} \)
47 \( 1 + 5.66e7iT - 1.11e15T^{2} \)
53 \( 1 + 5.42e7T + 3.29e15T^{2} \)
59 \( 1 - 1.42e8T + 8.66e15T^{2} \)
61 \( 1 + 3.93e7T + 1.16e16T^{2} \)
67 \( 1 - 1.80e8iT - 2.72e16T^{2} \)
71 \( 1 - 2.90e7T + 4.58e16T^{2} \)
73 \( 1 + 6.44e7T + 5.88e16T^{2} \)
79 \( 1 + 1.74e8iT - 1.19e17T^{2} \)
83 \( 1 + 5.45e8iT - 1.86e17T^{2} \)
89 \( 1 + 1.01e9T + 3.50e17T^{2} \)
97 \( 1 - 8.60e8iT - 7.60e17T^{2} \)
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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

−10.44821448116826660151802059464, −9.904175162704160134875268403938, −8.184749063905144988377919171621, −7.33177769118148364491718521640, −6.69715866866248216135229274706, −5.51189715551142129125795606128, −4.55598207483025227499075996806, −3.39602316896939806368184652918, −2.49409052816342387871321880039, −1.54868454009867670626143444073, 0.41095985736454214221776003579, 1.34455900072572130326614308195, 2.39401253429309656704344483696, 4.06219505623889030650071845071, 4.54692623680456038039933205444, 5.57306718733746895253303441218, 6.39251322333159378081292120413, 7.923282881827699261899440505201, 8.574638808139910152043532402919, 9.314279930932798138599570971270

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