Properties

Label 2-2645-1.1-c1-0-138
Degree $2$
Conductor $2645$
Sign $-1$
Analytic cond. $21.1204$
Root an. cond. $4.59569$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.73·2-s + 2.73·3-s + 5.46·4-s + 5-s − 7.46·6-s − 2·7-s − 9.46·8-s + 4.46·9-s − 2.73·10-s + 0.267·11-s + 14.9·12-s − 3.46·13-s + 5.46·14-s + 2.73·15-s + 14.9·16-s − 3.46·17-s − 12.1·18-s − 5.73·19-s + 5.46·20-s − 5.46·21-s − 0.732·22-s − 25.8·24-s + 25-s + 9.46·26-s + 3.99·27-s − 10.9·28-s − 2.53·29-s + ⋯
L(s)  = 1  − 1.93·2-s + 1.57·3-s + 2.73·4-s + 0.447·5-s − 3.04·6-s − 0.755·7-s − 3.34·8-s + 1.48·9-s − 0.863·10-s + 0.0807·11-s + 4.30·12-s − 0.960·13-s + 1.46·14-s + 0.705·15-s + 3.73·16-s − 0.840·17-s − 2.87·18-s − 1.31·19-s + 1.22·20-s − 1.19·21-s − 0.156·22-s − 5.27·24-s + 0.200·25-s + 1.85·26-s + 0.769·27-s − 2.06·28-s − 0.470·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2645 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2645 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2645\)    =    \(5 \cdot 23^{2}\)
Sign: $-1$
Analytic conductor: \(21.1204\)
Root analytic conductor: \(4.59569\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2645,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
23 \( 1 \)
good2 \( 1 + 2.73T + 2T^{2} \)
3 \( 1 - 2.73T + 3T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
11 \( 1 - 0.267T + 11T^{2} \)
13 \( 1 + 3.46T + 13T^{2} \)
17 \( 1 + 3.46T + 17T^{2} \)
19 \( 1 + 5.73T + 19T^{2} \)
29 \( 1 + 2.53T + 29T^{2} \)
31 \( 1 - 2.46T + 31T^{2} \)
37 \( 1 + 6.19T + 37T^{2} \)
41 \( 1 - 9T + 41T^{2} \)
43 \( 1 + 4T + 43T^{2} \)
47 \( 1 + 4.73T + 47T^{2} \)
53 \( 1 - 12.3T + 53T^{2} \)
59 \( 1 - 3.46T + 59T^{2} \)
61 \( 1 - 4.66T + 61T^{2} \)
67 \( 1 + 3.80T + 67T^{2} \)
71 \( 1 + 7T + 71T^{2} \)
73 \( 1 - 1.80T + 73T^{2} \)
79 \( 1 + 10.6T + 79T^{2} \)
83 \( 1 + 16T + 83T^{2} \)
89 \( 1 + 15.4T + 89T^{2} \)
97 \( 1 + 16T + 97T^{2} \)
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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

−8.583475782492545267554060786046, −8.124838022934962465943471713244, −7.06247498918873512845889440781, −6.87340089757831642652321220345, −5.80246308399873142968020060022, −4.13576530242794302145139406572, −2.93742263724600338737686473268, −2.42480056733279828148535093757, −1.66922750359855724988088637860, 0, 1.66922750359855724988088637860, 2.42480056733279828148535093757, 2.93742263724600338737686473268, 4.13576530242794302145139406572, 5.80246308399873142968020060022, 6.87340089757831642652321220345, 7.06247498918873512845889440781, 8.124838022934962465943471713244, 8.583475782492545267554060786046

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