Properties

Label 2-2645-1.1-c1-0-114
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.70·2-s − 1.18·3-s + 5.31·4-s + 5-s − 3.20·6-s + 3.05·7-s + 8.98·8-s − 1.59·9-s + 2.70·10-s − 3.40·11-s − 6.29·12-s + 4.10·13-s + 8.26·14-s − 1.18·15-s + 13.6·16-s + 1.33·17-s − 4.32·18-s − 2.30·19-s + 5.31·20-s − 3.61·21-s − 9.21·22-s − 10.6·24-s + 25-s + 11.1·26-s + 5.44·27-s + 16.2·28-s + 3.00·29-s + ⋯
L(s)  = 1  + 1.91·2-s − 0.683·3-s + 2.65·4-s + 0.447·5-s − 1.30·6-s + 1.15·7-s + 3.17·8-s − 0.533·9-s + 0.855·10-s − 1.02·11-s − 1.81·12-s + 1.13·13-s + 2.20·14-s − 0.305·15-s + 3.41·16-s + 0.323·17-s − 1.01·18-s − 0.528·19-s + 1.18·20-s − 0.789·21-s − 1.96·22-s − 2.17·24-s + 0.200·25-s + 2.18·26-s + 1.04·27-s + 3.07·28-s + 0.558·29-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: \(0\)
Selberg data: \((2,\ 2645,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(6.068348401\)
\(L(\frac12)\) \(\approx\) \(6.068348401\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.70T + 2T^{2} \)
3 \( 1 + 1.18T + 3T^{2} \)
7 \( 1 - 3.05T + 7T^{2} \)
11 \( 1 + 3.40T + 11T^{2} \)
13 \( 1 - 4.10T + 13T^{2} \)
17 \( 1 - 1.33T + 17T^{2} \)
19 \( 1 + 2.30T + 19T^{2} \)
29 \( 1 - 3.00T + 29T^{2} \)
31 \( 1 - 8.33T + 31T^{2} \)
37 \( 1 + 9.37T + 37T^{2} \)
41 \( 1 - 1.68T + 41T^{2} \)
43 \( 1 + 5.83T + 43T^{2} \)
47 \( 1 + 9.13T + 47T^{2} \)
53 \( 1 - 1.54T + 53T^{2} \)
59 \( 1 - 0.536T + 59T^{2} \)
61 \( 1 - 4.54T + 61T^{2} \)
67 \( 1 - 9.36T + 67T^{2} \)
71 \( 1 - 9.54T + 71T^{2} \)
73 \( 1 + 8.53T + 73T^{2} \)
79 \( 1 - 1.38T + 79T^{2} \)
83 \( 1 - 5.75T + 83T^{2} \)
89 \( 1 + 7.08T + 89T^{2} \)
97 \( 1 + 7.71T + 97T^{2} \)
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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

−8.394308695965706086354371484009, −8.072348200640178487766550846838, −6.77807194115627844683132397771, −6.32098939591240821001842663646, −5.36156777964711931747454431152, −5.20306202916727133536524507036, −4.35204038025405614876675515867, −3.28548980923872969786313523849, −2.42216586912202418256433731116, −1.39152944021538012897128845340, 1.39152944021538012897128845340, 2.42216586912202418256433731116, 3.28548980923872969786313523849, 4.35204038025405614876675515867, 5.20306202916727133536524507036, 5.36156777964711931747454431152, 6.32098939591240821001842663646, 6.77807194115627844683132397771, 8.072348200640178487766550846838, 8.394308695965706086354371484009

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