Properties

Label 2-684-4.3-c2-0-32
Degree $2$
Conductor $684$
Sign $0.632 - 0.774i$
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  + (−0.671 + 1.88i)2-s + (−3.09 − 2.53i)4-s − 4.54·5-s + 5.76i·7-s + (6.84 − 4.13i)8-s + (3.05 − 8.56i)10-s − 10.1i·11-s − 13.5·13-s + (−10.8 − 3.87i)14-s + (3.19 + 15.6i)16-s + 7.96·17-s + 4.35i·19-s + (14.0 + 11.5i)20-s + (19.1 + 6.81i)22-s − 38.6i·23-s + ⋯
L(s)  = 1  + (−0.335 + 0.941i)2-s + (−0.774 − 0.632i)4-s − 0.909·5-s + 0.823i·7-s + (0.855 − 0.517i)8-s + (0.305 − 0.856i)10-s − 0.921i·11-s − 1.04·13-s + (−0.775 − 0.276i)14-s + (0.199 + 0.979i)16-s + 0.468·17-s + 0.229i·19-s + (0.704 + 0.575i)20-s + (0.868 + 0.309i)22-s − 1.68i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.632 - 0.774i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.632 - 0.774i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $0.632 - 0.774i$
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: \((2,\ 684,\ (\ :1),\ 0.632 - 0.774i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9507268747\)
\(L(\frac12)\) \(\approx\) \(0.9507268747\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.671 - 1.88i)T \)
3 \( 1 \)
19 \( 1 - 4.35iT \)
good5 \( 1 + 4.54T + 25T^{2} \)
7 \( 1 - 5.76iT - 49T^{2} \)
11 \( 1 + 10.1iT - 121T^{2} \)
13 \( 1 + 13.5T + 169T^{2} \)
17 \( 1 - 7.96T + 289T^{2} \)
23 \( 1 + 38.6iT - 529T^{2} \)
29 \( 1 - 37.2T + 841T^{2} \)
31 \( 1 - 14.8iT - 961T^{2} \)
37 \( 1 - 6.53T + 1.36e3T^{2} \)
41 \( 1 - 34.8T + 1.68e3T^{2} \)
43 \( 1 - 40.2iT - 1.84e3T^{2} \)
47 \( 1 - 50.1iT - 2.20e3T^{2} \)
53 \( 1 - 31.9T + 2.80e3T^{2} \)
59 \( 1 - 12.0iT - 3.48e3T^{2} \)
61 \( 1 - 108.T + 3.72e3T^{2} \)
67 \( 1 + 67.6iT - 4.48e3T^{2} \)
71 \( 1 - 17.9iT - 5.04e3T^{2} \)
73 \( 1 - 121.T + 5.32e3T^{2} \)
79 \( 1 - 103. iT - 6.24e3T^{2} \)
83 \( 1 + 41.7iT - 6.88e3T^{2} \)
89 \( 1 + 74.8T + 7.92e3T^{2} \)
97 \( 1 - 74.3T + 9.40e3T^{2} \)
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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

−10.22978830417610471030347006965, −9.321382852532009889683012234268, −8.369956699999849486507218837240, −8.003837489109257674225501987274, −6.90808464326020162981644447342, −6.03639262822719357747395769558, −5.07842566440067569959999781333, −4.13355386164136481956392540210, −2.70977032012413243868420161762, −0.65131822277463986531492050559, 0.72610376961945889997783751656, 2.23818125401213521087990334268, 3.57156176923548161287711112939, 4.28904119062864629292678325112, 5.24523317393016062128505299174, 7.18716869059796030738791356429, 7.50384801982443988624149577630, 8.447899705173731800111490368723, 9.677015775169067223454441587526, 10.03886384284866365728665772088

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