Properties

Label 2-342-57.56-c1-0-3
Degree $2$
Conductor $342$
Sign $0.927 + 0.374i$
Analytic cond. $2.73088$
Root an. cond. $1.65253$
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  + 2-s + 4-s − 1.41i·5-s + 2·7-s + 8-s − 1.41i·10-s − 1.41i·11-s + 2·14-s + 16-s − 1.41i·17-s + (1 + 4.24i)19-s − 1.41i·20-s − 1.41i·22-s − 1.41i·23-s + 2.99·25-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s − 0.632i·5-s + 0.755·7-s + 0.353·8-s − 0.447i·10-s − 0.426i·11-s + 0.534·14-s + 0.250·16-s − 0.342i·17-s + (0.229 + 0.973i)19-s − 0.316i·20-s − 0.301i·22-s − 0.294i·23-s + 0.599·25-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.927 + 0.374i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.927 + 0.374i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $0.927 + 0.374i$
Analytic conductor: \(2.73088\)
Root analytic conductor: \(1.65253\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{342} (341, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 342,\ (\ :1/2),\ 0.927 + 0.374i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.07657 - 0.403678i\)
\(L(\frac12)\) \(\approx\) \(2.07657 - 0.403678i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
19 \( 1 + (-1 - 4.24i)T \)
good5 \( 1 + 1.41iT - 5T^{2} \)
7 \( 1 - 2T + 7T^{2} \)
11 \( 1 + 1.41iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 + 1.41iT - 17T^{2} \)
23 \( 1 + 1.41iT - 23T^{2} \)
29 \( 1 + 6T + 29T^{2} \)
31 \( 1 - 31T^{2} \)
37 \( 1 - 8.48iT - 37T^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 + 4T + 43T^{2} \)
47 \( 1 - 7.07iT - 47T^{2} \)
53 \( 1 + 6T + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 + 4T + 61T^{2} \)
67 \( 1 + 8.48iT - 67T^{2} \)
71 \( 1 - 12T + 71T^{2} \)
73 \( 1 + 10T + 73T^{2} \)
79 \( 1 + 8.48iT - 79T^{2} \)
83 \( 1 - 15.5iT - 83T^{2} \)
89 \( 1 + 6T + 89T^{2} \)
97 \( 1 + 8.48iT - 97T^{2} \)
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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

−11.60149405193355822763955140820, −10.80330306813993970833263470164, −9.659807264846467458778624943497, −8.496290412573662892174098455497, −7.73785105689983516372552747557, −6.45531484065039111759474564162, −5.34220918876125630643851219386, −4.57704547109430434719243518441, −3.26503421558058707756956709598, −1.56747283395371878099014640505, 1.97662533339914728359032500466, 3.34235297594197031787786287956, 4.59410887246697469962315618459, 5.55914704355960344271102917023, 6.80743545105583237261684220497, 7.51615291359582329351442121535, 8.713226341000717954830444417135, 9.933887292912997792071390664945, 10.97448967012839519454146936289, 11.45759246125891440600548733891

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