Properties

Label 2-2645-1.1-c1-0-104
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  − 2.30·2-s + 3-s + 3.30·4-s + 5-s − 2.30·6-s − 4.60·7-s − 3.00·8-s − 2·9-s − 2.30·10-s + 4.60·11-s + 3.30·12-s + 5.60·13-s + 10.6·14-s + 15-s + 0.302·16-s − 6·17-s + 4.60·18-s − 1.39·19-s + 3.30·20-s − 4.60·21-s − 10.6·22-s − 3.00·24-s + 25-s − 12.9·26-s − 5·27-s − 15.2·28-s − 3·29-s + ⋯
L(s)  = 1  − 1.62·2-s + 0.577·3-s + 1.65·4-s + 0.447·5-s − 0.940·6-s − 1.74·7-s − 1.06·8-s − 0.666·9-s − 0.728·10-s + 1.38·11-s + 0.953·12-s + 1.55·13-s + 2.83·14-s + 0.258·15-s + 0.0756·16-s − 1.45·17-s + 1.08·18-s − 0.319·19-s + 0.738·20-s − 1.00·21-s − 2.26·22-s − 0.612·24-s + 0.200·25-s − 2.53·26-s − 0.962·27-s − 2.87·28-s − 0.557·29-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 \( 1 + 2.30T + 2T^{2} \)
3 \( 1 - T + 3T^{2} \)
7 \( 1 + 4.60T + 7T^{2} \)
11 \( 1 - 4.60T + 11T^{2} \)
13 \( 1 - 5.60T + 13T^{2} \)
17 \( 1 + 6T + 17T^{2} \)
19 \( 1 + 1.39T + 19T^{2} \)
29 \( 1 + 3T + 29T^{2} \)
31 \( 1 - 2.39T + 31T^{2} \)
37 \( 1 - 4.60T + 37T^{2} \)
41 \( 1 - 3T + 41T^{2} \)
43 \( 1 + 1.39T + 43T^{2} \)
47 \( 1 + 3T + 47T^{2} \)
53 \( 1 + 9.21T + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 + 1.39T + 61T^{2} \)
67 \( 1 + 13.8T + 67T^{2} \)
71 \( 1 - 7.60T + 71T^{2} \)
73 \( 1 + 6.81T + 73T^{2} \)
79 \( 1 - 1.39T + 79T^{2} \)
83 \( 1 + 3.21T + 83T^{2} \)
89 \( 1 - 7.81T + 89T^{2} \)
97 \( 1 - 4.60T + 97T^{2} \)
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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

−8.824041525645814295214264365726, −8.073866553469656319049343189477, −6.95767373754170976804440551036, −6.30616647112097758804584349587, −6.10626323762194773191139606506, −4.16719433252599394712842281587, −3.30669147853294286933562154198, −2.41790438710254186587398873050, −1.33546866514215953554773787427, 0, 1.33546866514215953554773787427, 2.41790438710254186587398873050, 3.30669147853294286933562154198, 4.16719433252599394712842281587, 6.10626323762194773191139606506, 6.30616647112097758804584349587, 6.95767373754170976804440551036, 8.073866553469656319049343189477, 8.824041525645814295214264365726

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