Properties

Label 2-684-171.11-c2-0-24
Degree $2$
Conductor $684$
Sign $0.487 + 0.873i$
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  + (−0.358 − 2.97i)3-s + 0.408i·5-s + (−0.674 + 1.16i)7-s + (−8.74 + 2.13i)9-s + (16.2 + 9.38i)11-s + (3.16 − 5.47i)13-s + (1.21 − 0.146i)15-s + (1.03 + 0.599i)17-s + (−4.34 − 18.4i)19-s + (3.72 + 1.58i)21-s + (15.2 + 8.79i)23-s + 24.8·25-s + (9.50 + 25.2i)27-s − 18.6i·29-s + (16.2 + 28.0i)31-s + ⋯
L(s)  = 1  + (−0.119 − 0.992i)3-s + 0.0816i·5-s + (−0.0963 + 0.166i)7-s + (−0.971 + 0.237i)9-s + (1.47 + 0.853i)11-s + (0.243 − 0.421i)13-s + (0.0810 − 0.00977i)15-s + (0.0610 + 0.0352i)17-s + (−0.228 − 0.973i)19-s + (0.177 + 0.0756i)21-s + (0.662 + 0.382i)23-s + 0.993·25-s + (0.352 + 0.935i)27-s − 0.641i·29-s + (0.523 + 0.906i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.487 + 0.873i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.487 + 0.873i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $0.487 + 0.873i$
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: \((2,\ 684,\ (\ :1),\ 0.487 + 0.873i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.819790871\)
\(L(\frac12)\) \(\approx\) \(1.819790871\)
\(L(2)\) 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 \( 1 + (0.358 + 2.97i)T \)
19 \( 1 + (4.34 + 18.4i)T \)
good5 \( 1 - 0.408iT - 25T^{2} \)
7 \( 1 + (0.674 - 1.16i)T + (-24.5 - 42.4i)T^{2} \)
11 \( 1 + (-16.2 - 9.38i)T + (60.5 + 104. i)T^{2} \)
13 \( 1 + (-3.16 + 5.47i)T + (-84.5 - 146. i)T^{2} \)
17 \( 1 + (-1.03 - 0.599i)T + (144.5 + 250. i)T^{2} \)
23 \( 1 + (-15.2 - 8.79i)T + (264.5 + 458. i)T^{2} \)
29 \( 1 + 18.6iT - 841T^{2} \)
31 \( 1 + (-16.2 - 28.0i)T + (-480.5 + 832. i)T^{2} \)
37 \( 1 - 18.2T + 1.36e3T^{2} \)
41 \( 1 + 38.8iT - 1.68e3T^{2} \)
43 \( 1 + (33.5 + 58.1i)T + (-924.5 + 1.60e3i)T^{2} \)
47 \( 1 + 72.1iT - 2.20e3T^{2} \)
53 \( 1 + (-5.40 + 3.11i)T + (1.40e3 - 2.43e3i)T^{2} \)
59 \( 1 + 46.7iT - 3.48e3T^{2} \)
61 \( 1 - 16.6T + 3.72e3T^{2} \)
67 \( 1 + (27.5 - 47.7i)T + (-2.24e3 - 3.88e3i)T^{2} \)
71 \( 1 + (-48.7 - 28.1i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (27.9 - 48.4i)T + (-2.66e3 - 4.61e3i)T^{2} \)
79 \( 1 + (39.1 + 67.7i)T + (-3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (57.7 + 33.3i)T + (3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 + (-130. + 75.0i)T + (3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 + (-37.2 - 64.5i)T + (-4.70e3 + 8.14e3i)T^{2} \)
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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

−10.16189471644821086682067797402, −9.024112583354543198112943793866, −8.520002351299206778007784846119, −7.12240035300391745861903237962, −6.87779610137546803539810643168, −5.79932008403711273997970415376, −4.69340021323142122821873894507, −3.33003251309818700824399432557, −2.08047774918031019593647463813, −0.853483626993287707195758733763, 1.10037480908847472538294398093, 3.02873717284814096442431547566, 3.93886422009199305448921578103, 4.76233049245989011565373599418, 6.03032915170647858294283127499, 6.58103779125887146800767442836, 8.073132118546068172589067409236, 8.911448513843107576934802174357, 9.477528568760990493617395462473, 10.43381195628854311167837205679

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