Properties

Label 2-342-1.1-c3-0-4
Degree $2$
Conductor $342$
Sign $1$
Analytic cond. $20.1786$
Root an. cond. $4.49206$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 4·4-s + 17.3·5-s − 26.0·7-s − 8·8-s − 34.6·10-s + 4.22·11-s + 64.0·13-s + 52.1·14-s + 16·16-s + 48.5·17-s + 19·19-s + 69.2·20-s − 8.45·22-s − 92.0·23-s + 174.·25-s − 128.·26-s − 104.·28-s + 88.2·29-s − 81.9·31-s − 32·32-s − 97.0·34-s − 451.·35-s − 23.6·37-s − 38·38-s − 138.·40-s − 17.7·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.5·4-s + 1.54·5-s − 1.40·7-s − 0.353·8-s − 1.09·10-s + 0.115·11-s + 1.36·13-s + 0.996·14-s + 0.250·16-s + 0.692·17-s + 0.229·19-s + 0.774·20-s − 0.0819·22-s − 0.834·23-s + 1.39·25-s − 0.966·26-s − 0.704·28-s + 0.564·29-s − 0.474·31-s − 0.176·32-s − 0.489·34-s − 2.18·35-s − 0.104·37-s − 0.162·38-s − 0.547·40-s − 0.0674·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(20.1786\)
Root analytic conductor: \(4.49206\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 342,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.643968248\)
\(L(\frac12)\) \(\approx\) \(1.643968248\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 2T \)
3 \( 1 \)
19 \( 1 - 19T \)
good5 \( 1 - 17.3T + 125T^{2} \)
7 \( 1 + 26.0T + 343T^{2} \)
11 \( 1 - 4.22T + 1.33e3T^{2} \)
13 \( 1 - 64.0T + 2.19e3T^{2} \)
17 \( 1 - 48.5T + 4.91e3T^{2} \)
23 \( 1 + 92.0T + 1.21e4T^{2} \)
29 \( 1 - 88.2T + 2.43e4T^{2} \)
31 \( 1 + 81.9T + 2.97e4T^{2} \)
37 \( 1 + 23.6T + 5.06e4T^{2} \)
41 \( 1 + 17.7T + 6.89e4T^{2} \)
43 \( 1 - 368.T + 7.95e4T^{2} \)
47 \( 1 - 497.T + 1.03e5T^{2} \)
53 \( 1 - 536.T + 1.48e5T^{2} \)
59 \( 1 - 36.6T + 2.05e5T^{2} \)
61 \( 1 - 630.T + 2.26e5T^{2} \)
67 \( 1 - 282.T + 3.00e5T^{2} \)
71 \( 1 + 595.T + 3.57e5T^{2} \)
73 \( 1 + 597.T + 3.89e5T^{2} \)
79 \( 1 - 427.T + 4.93e5T^{2} \)
83 \( 1 + 493.T + 5.71e5T^{2} \)
89 \( 1 - 921.T + 7.04e5T^{2} \)
97 \( 1 - 1.08e3T + 9.12e5T^{2} \)
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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

−10.65201819912436956140692357176, −10.06017360147365565022137271214, −9.354299466658243507023825448626, −8.620793712541040335464464802991, −7.16115153892809889298238966100, −6.12662002360359603957431684000, −5.75413205458427732528581100133, −3.63377345169242378504607717245, −2.39467410093462703388209044592, −1.00292859078687388485417763120, 1.00292859078687388485417763120, 2.39467410093462703388209044592, 3.63377345169242378504607717245, 5.75413205458427732528581100133, 6.12662002360359603957431684000, 7.16115153892809889298238966100, 8.620793712541040335464464802991, 9.354299466658243507023825448626, 10.06017360147365565022137271214, 10.65201819912436956140692357176

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