Properties

Label 2-684-3.2-c2-0-5
Degree $2$
Conductor $684$
Sign $0.577 - 0.816i$
Analytic cond. $18.6376$
Root an. cond. $4.31713$
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  + 5.71i·5-s + 5.91·7-s − 2.41i·11-s + 17.1·13-s − 16.1i·17-s + 4.35·19-s + 15.9i·23-s − 7.70·25-s + 31.2i·29-s − 13.5·31-s + 33.8i·35-s + 45.7·37-s + 30.3i·41-s − 21.0·43-s + 43.6i·47-s + ⋯
L(s)  = 1  + 1.14i·5-s + 0.845·7-s − 0.219i·11-s + 1.31·13-s − 0.949i·17-s + 0.229·19-s + 0.694i·23-s − 0.308·25-s + 1.07i·29-s − 0.435·31-s + 0.966i·35-s + 1.23·37-s + 0.740i·41-s − 0.490·43-s + 0.928i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.577 - 0.816i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.577 - 0.816i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $0.577 - 0.816i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (305, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ 0.577 - 0.816i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.114531190\)
\(L(\frac12)\) \(\approx\) \(2.114531190\)
\(L(2)\) 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 \( 1 \)
19 \( 1 - 4.35T \)
good5 \( 1 - 5.71iT - 25T^{2} \)
7 \( 1 - 5.91T + 49T^{2} \)
11 \( 1 + 2.41iT - 121T^{2} \)
13 \( 1 - 17.1T + 169T^{2} \)
17 \( 1 + 16.1iT - 289T^{2} \)
23 \( 1 - 15.9iT - 529T^{2} \)
29 \( 1 - 31.2iT - 841T^{2} \)
31 \( 1 + 13.5T + 961T^{2} \)
37 \( 1 - 45.7T + 1.36e3T^{2} \)
41 \( 1 - 30.3iT - 1.68e3T^{2} \)
43 \( 1 + 21.0T + 1.84e3T^{2} \)
47 \( 1 - 43.6iT - 2.20e3T^{2} \)
53 \( 1 + 43.5iT - 2.80e3T^{2} \)
59 \( 1 - 86.2iT - 3.48e3T^{2} \)
61 \( 1 - 112.T + 3.72e3T^{2} \)
67 \( 1 + 41.3T + 4.48e3T^{2} \)
71 \( 1 - 13.6iT - 5.04e3T^{2} \)
73 \( 1 + 21.7T + 5.32e3T^{2} \)
79 \( 1 - 71.2T + 6.24e3T^{2} \)
83 \( 1 + 19.9iT - 6.88e3T^{2} \)
89 \( 1 - 20.3iT - 7.92e3T^{2} \)
97 \( 1 - 20.1T + 9.40e3T^{2} \)
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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

−10.61936774129922558347281107491, −9.594235258810687322676913067542, −8.628484387571211220465062075488, −7.73008088990332466662290189386, −6.92403128612840088502802126526, −6.00939000099422869189436116233, −4.98412611916468983907298577984, −3.70098039049954510403106641379, −2.77110265359096898211499835035, −1.30707181656737745187155756851, 0.900649245790446282441797890995, 1.97963095329113809115040010902, 3.77584988945666706044352167897, 4.61209355158206716636488340663, 5.54240573049868575560372433236, 6.46394468160169625496774831626, 7.85313468420215433395069990569, 8.415549499166469618486688766150, 9.075869076649425309116298985622, 10.16409357007019825350960261878

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