Properties

Label 2-1620-1.1-c3-0-42
Degree $2$
Conductor $1620$
Sign $-1$
Analytic cond. $95.5830$
Root an. cond. $9.77666$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5·5-s + 7.61·7-s − 12.5·11-s − 20.3·13-s + 22.6·17-s − 18.8·19-s + 6.29·23-s + 25·25-s − 206.·29-s + 33.7·31-s + 38.0·35-s + 13.4·37-s + 290.·41-s − 338.·43-s − 263.·47-s − 285.·49-s − 240.·53-s − 62.8·55-s + 373.·59-s − 454.·61-s − 101.·65-s + 442.·67-s − 371.·71-s + 901.·73-s − 95.7·77-s − 1.03e3·79-s − 34.6·83-s + ⋯
L(s)  = 1  + 0.447·5-s + 0.410·7-s − 0.344·11-s − 0.434·13-s + 0.323·17-s − 0.227·19-s + 0.0570·23-s + 0.200·25-s − 1.32·29-s + 0.195·31-s + 0.183·35-s + 0.0598·37-s + 1.10·41-s − 1.20·43-s − 0.816·47-s − 0.831·49-s − 0.622·53-s − 0.154·55-s + 0.824·59-s − 0.954·61-s − 0.194·65-s + 0.807·67-s − 0.620·71-s + 1.44·73-s − 0.141·77-s − 1.47·79-s − 0.0458·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $-1$
Analytic conductor: \(95.5830\)
Root analytic conductor: \(9.77666\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1620,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 \)
5 \( 1 - 5T \)
good7 \( 1 - 7.61T + 343T^{2} \)
11 \( 1 + 12.5T + 1.33e3T^{2} \)
13 \( 1 + 20.3T + 2.19e3T^{2} \)
17 \( 1 - 22.6T + 4.91e3T^{2} \)
19 \( 1 + 18.8T + 6.85e3T^{2} \)
23 \( 1 - 6.29T + 1.21e4T^{2} \)
29 \( 1 + 206.T + 2.43e4T^{2} \)
31 \( 1 - 33.7T + 2.97e4T^{2} \)
37 \( 1 - 13.4T + 5.06e4T^{2} \)
41 \( 1 - 290.T + 6.89e4T^{2} \)
43 \( 1 + 338.T + 7.95e4T^{2} \)
47 \( 1 + 263.T + 1.03e5T^{2} \)
53 \( 1 + 240.T + 1.48e5T^{2} \)
59 \( 1 - 373.T + 2.05e5T^{2} \)
61 \( 1 + 454.T + 2.26e5T^{2} \)
67 \( 1 - 442.T + 3.00e5T^{2} \)
71 \( 1 + 371.T + 3.57e5T^{2} \)
73 \( 1 - 901.T + 3.89e5T^{2} \)
79 \( 1 + 1.03e3T + 4.93e5T^{2} \)
83 \( 1 + 34.6T + 5.71e5T^{2} \)
89 \( 1 + 1.07e3T + 7.04e5T^{2} \)
97 \( 1 + 1.38e3T + 9.12e5T^{2} \)
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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

−8.592667549153071612319330094408, −7.85703110269686878661152468011, −7.08572426812642261265686305321, −6.13184702227773721632386490043, −5.32612064420651898964559957569, −4.57808101578710258459088398206, −3.44021468106493642953785563723, −2.37886564793236912357786427269, −1.42525945778871161756998545640, 0, 1.42525945778871161756998545640, 2.37886564793236912357786427269, 3.44021468106493642953785563723, 4.57808101578710258459088398206, 5.32612064420651898964559957569, 6.13184702227773721632386490043, 7.08572426812642261265686305321, 7.85703110269686878661152468011, 8.592667549153071612319330094408

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