Properties

Label 2-684-4.3-c2-0-19
Degree $2$
Conductor $684$
Sign $-0.407 - 0.913i$
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  + (−1.95 + 0.416i)2-s + (3.65 − 1.63i)4-s − 1.84·5-s + 7.45i·7-s + (−6.46 + 4.71i)8-s + (3.61 − 0.768i)10-s − 1.00i·11-s + 16.3·13-s + (−3.10 − 14.5i)14-s + (10.6 − 11.9i)16-s + 10.6·17-s + 4.35i·19-s + (−6.74 + 3.00i)20-s + (0.417 + 1.95i)22-s + 10.1i·23-s + ⋯
L(s)  = 1  + (−0.978 + 0.208i)2-s + (0.913 − 0.407i)4-s − 0.369·5-s + 1.06i·7-s + (−0.808 + 0.588i)8-s + (0.361 − 0.0768i)10-s − 0.0910i·11-s + 1.25·13-s + (−0.221 − 1.04i)14-s + (0.667 − 0.744i)16-s + 0.624·17-s + 0.229i·19-s + (−0.337 + 0.150i)20-s + (0.0189 + 0.0890i)22-s + 0.441i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.407 - 0.913i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.407 - 0.913i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.407 - 0.913i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.407 - 0.913i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.8430704294\)
\(L(\frac12)\) \(\approx\) \(0.8430704294\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.95 - 0.416i)T \)
3 \( 1 \)
19 \( 1 - 4.35iT \)
good5 \( 1 + 1.84T + 25T^{2} \)
7 \( 1 - 7.45iT - 49T^{2} \)
11 \( 1 + 1.00iT - 121T^{2} \)
13 \( 1 - 16.3T + 169T^{2} \)
17 \( 1 - 10.6T + 289T^{2} \)
23 \( 1 - 10.1iT - 529T^{2} \)
29 \( 1 + 22.3T + 841T^{2} \)
31 \( 1 + 27.3iT - 961T^{2} \)
37 \( 1 + 22.2T + 1.36e3T^{2} \)
41 \( 1 - 22.4T + 1.68e3T^{2} \)
43 \( 1 - 31.2iT - 1.84e3T^{2} \)
47 \( 1 - 52.6iT - 2.20e3T^{2} \)
53 \( 1 - 92.1T + 2.80e3T^{2} \)
59 \( 1 - 89.1iT - 3.48e3T^{2} \)
61 \( 1 + 41.7T + 3.72e3T^{2} \)
67 \( 1 - 16.7iT - 4.48e3T^{2} \)
71 \( 1 - 59.7iT - 5.04e3T^{2} \)
73 \( 1 + 117.T + 5.32e3T^{2} \)
79 \( 1 - 94.1iT - 6.24e3T^{2} \)
83 \( 1 - 17.6iT - 6.88e3T^{2} \)
89 \( 1 + 125.T + 7.92e3T^{2} \)
97 \( 1 - 69.2T + 9.40e3T^{2} \)
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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

−10.45182652706114627599019653763, −9.503315748758584818317002556831, −8.812176635962612464411452229958, −8.076668561799137412201714022218, −7.29420528316386986081109045587, −5.98136256907993017797099373026, −5.65069056076262076433143236022, −3.86308363676819235768720173073, −2.61709350957694909552714109036, −1.30386792387679387039691598306, 0.45599958969848779706567635494, 1.67592375021092923990025269573, 3.32456899975786929015011967310, 4.06770049023259466529698290977, 5.70228622981642099719473779637, 6.80514318006104021060663970052, 7.48063972369725768320313203883, 8.321797920948768960650147837089, 9.086370544548908376748462358810, 10.18092603887137683074563348186

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