Properties

Label 2-684-19.18-c2-0-11
Degree $2$
Conductor $684$
Sign $1$
Analytic cond. $18.6376$
Root an. cond. $4.31713$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.61·5-s + 8.82·7-s + 13.4·11-s − 2.26·17-s + 19·19-s − 34.8·23-s + 6.52·25-s + 49.5·35-s + 31.1·43-s − 93.2·47-s + 28.8·49-s + 75.7·55-s + 108.·61-s + 137.·73-s + 119.·77-s − 139.·83-s − 12.7·85-s + 106.·95-s + 174.·101-s − 195.·115-s − 19.9·119-s + ⋯
L(s)  = 1  + 1.12·5-s + 1.26·7-s + 1.22·11-s − 0.133·17-s + 19-s − 1.51·23-s + 0.261·25-s + 1.41·35-s + 0.725·43-s − 1.98·47-s + 0.589·49-s + 1.37·55-s + 1.77·61-s + 1.87·73-s + 1.54·77-s − 1.68·83-s − 0.149·85-s + 1.12·95-s + 1.72·101-s − 1.70·115-s − 0.168·119-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (37, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.780956638\)
\(L(\frac12)\) \(\approx\) \(2.780956638\)
\(L(2)\) 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 \( 1 - 19T \)
good5 \( 1 - 5.61T + 25T^{2} \)
7 \( 1 - 8.82T + 49T^{2} \)
11 \( 1 - 13.4T + 121T^{2} \)
13 \( 1 - 169T^{2} \)
17 \( 1 + 2.26T + 289T^{2} \)
23 \( 1 + 34.8T + 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 - 1.36e3T^{2} \)
41 \( 1 - 1.68e3T^{2} \)
43 \( 1 - 31.1T + 1.84e3T^{2} \)
47 \( 1 + 93.2T + 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 - 108.T + 3.72e3T^{2} \)
67 \( 1 - 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 - 137.T + 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 + 139.T + 6.88e3T^{2} \)
89 \( 1 - 7.92e3T^{2} \)
97 \( 1 - 9.40e3T^{2} \)
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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

−10.07720673722218435291283092148, −9.547692252164941430876700599513, −8.585386464075352228575737332960, −7.74356796732597718302830012140, −6.61333178367685072636144820323, −5.77197329402580987089122235561, −4.88616679476817671827706909345, −3.77808947308780840039653908236, −2.15802858015011876427449359354, −1.31846967635821519710982968441, 1.31846967635821519710982968441, 2.15802858015011876427449359354, 3.77808947308780840039653908236, 4.88616679476817671827706909345, 5.77197329402580987089122235561, 6.61333178367685072636144820323, 7.74356796732597718302830012140, 8.585386464075352228575737332960, 9.547692252164941430876700599513, 10.07720673722218435291283092148

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