Properties

Label 2-684-171.11-c2-0-15
Degree $2$
Conductor $684$
Sign $-0.305 - 0.952i$
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  + (2.87 + 0.863i)3-s + 4.52i·5-s + (−1.50 + 2.60i)7-s + (7.50 + 4.96i)9-s + (12.2 + 7.05i)11-s + (−6.36 + 11.0i)13-s + (−3.90 + 13.0i)15-s + (−5.51 − 3.18i)17-s + (−14.3 − 12.4i)19-s + (−6.56 + 6.17i)21-s + (−13.4 − 7.75i)23-s + 4.52·25-s + (17.2 + 20.7i)27-s − 5.02i·29-s + (−1.24 − 2.16i)31-s + ⋯
L(s)  = 1  + (0.957 + 0.287i)3-s + 0.905i·5-s + (−0.214 + 0.371i)7-s + (0.834 + 0.551i)9-s + (1.11 + 0.641i)11-s + (−0.489 + 0.847i)13-s + (−0.260 + 0.866i)15-s + (−0.324 − 0.187i)17-s + (−0.755 − 0.655i)19-s + (−0.312 + 0.294i)21-s + (−0.583 − 0.337i)23-s + 0.180·25-s + (0.640 + 0.768i)27-s − 0.173i·29-s + (−0.0402 − 0.0697i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.305 - 0.952i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.305 - 0.952i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.305 - 0.952i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (353, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.305 - 0.952i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.366530852\)
\(L(\frac12)\) \(\approx\) \(2.366530852\)
\(L(2)\) 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 \( 1 + (-2.87 - 0.863i)T \)
19 \( 1 + (14.3 + 12.4i)T \)
good5 \( 1 - 4.52iT - 25T^{2} \)
7 \( 1 + (1.50 - 2.60i)T + (-24.5 - 42.4i)T^{2} \)
11 \( 1 + (-12.2 - 7.05i)T + (60.5 + 104. i)T^{2} \)
13 \( 1 + (6.36 - 11.0i)T + (-84.5 - 146. i)T^{2} \)
17 \( 1 + (5.51 + 3.18i)T + (144.5 + 250. i)T^{2} \)
23 \( 1 + (13.4 + 7.75i)T + (264.5 + 458. i)T^{2} \)
29 \( 1 + 5.02iT - 841T^{2} \)
31 \( 1 + (1.24 + 2.16i)T + (-480.5 + 832. i)T^{2} \)
37 \( 1 + 47.5T + 1.36e3T^{2} \)
41 \( 1 - 38.5iT - 1.68e3T^{2} \)
43 \( 1 + (-34.7 - 60.2i)T + (-924.5 + 1.60e3i)T^{2} \)
47 \( 1 + 27.0iT - 2.20e3T^{2} \)
53 \( 1 + (31.0 - 17.9i)T + (1.40e3 - 2.43e3i)T^{2} \)
59 \( 1 + 53.3iT - 3.48e3T^{2} \)
61 \( 1 - 64.6T + 3.72e3T^{2} \)
67 \( 1 + (-16.9 + 29.2i)T + (-2.24e3 - 3.88e3i)T^{2} \)
71 \( 1 + (0.687 + 0.397i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (-25.7 + 44.6i)T + (-2.66e3 - 4.61e3i)T^{2} \)
79 \( 1 + (-32.8 - 56.8i)T + (-3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (-23.4 - 13.5i)T + (3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 + (-22.7 + 13.1i)T + (3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 + (-73.1 - 126. i)T + (-4.70e3 + 8.14e3i)T^{2} \)
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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

−10.40173096423949179434084188968, −9.476321209847884542321195299702, −9.061408545277605357888669113058, −7.967021386062662758291738072943, −6.88460623282816669771291972186, −6.50567012237657629440135819809, −4.75584235729946578706250367407, −3.95339574368814785019105064500, −2.78658473623936005159800796596, −1.91944471764343677078270662618, 0.74960210994503130582744954384, 1.98298449234383902049308237308, 3.47237306245326576626272410859, 4.17341134001274453262239075007, 5.48879313770425887656314226687, 6.60787162193466803605139346364, 7.51011957280453637715108415159, 8.552561416421793848344523858155, 8.856372785211219433547324383895, 9.888384874474667201705384647118

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