Properties

Label 2-891-1.1-c1-0-32
Degree $2$
Conductor $891$
Sign $-1$
Analytic cond. $7.11467$
Root an. cond. $2.66733$
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  + 0.219·2-s − 1.95·4-s + 1.55·5-s − 1.60·7-s − 0.868·8-s + 0.340·10-s + 11-s − 4.28·13-s − 0.351·14-s + 3.71·16-s − 1.23·17-s + 3.84·19-s − 3.02·20-s + 0.219·22-s − 7.81·23-s − 2.59·25-s − 0.941·26-s + 3.12·28-s − 7.31·29-s − 4.51·31-s + 2.55·32-s − 0.272·34-s − 2.48·35-s + 1.26·37-s + 0.844·38-s − 1.34·40-s − 4.21·41-s + ⋯
L(s)  = 1  + 0.155·2-s − 0.975·4-s + 0.694·5-s − 0.604·7-s − 0.306·8-s + 0.107·10-s + 0.301·11-s − 1.18·13-s − 0.0939·14-s + 0.928·16-s − 0.300·17-s + 0.882·19-s − 0.677·20-s + 0.0468·22-s − 1.62·23-s − 0.518·25-s − 0.184·26-s + 0.590·28-s − 1.35·29-s − 0.810·31-s + 0.451·32-s − 0.0466·34-s − 0.419·35-s + 0.207·37-s + 0.137·38-s − 0.213·40-s − 0.659·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 891 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 891 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(891\)    =    \(3^{4} \cdot 11\)
Sign: $-1$
Analytic conductor: \(7.11467\)
Root analytic conductor: \(2.66733\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 891,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
11 \( 1 - T \)
good2 \( 1 - 0.219T + 2T^{2} \)
5 \( 1 - 1.55T + 5T^{2} \)
7 \( 1 + 1.60T + 7T^{2} \)
13 \( 1 + 4.28T + 13T^{2} \)
17 \( 1 + 1.23T + 17T^{2} \)
19 \( 1 - 3.84T + 19T^{2} \)
23 \( 1 + 7.81T + 23T^{2} \)
29 \( 1 + 7.31T + 29T^{2} \)
31 \( 1 + 4.51T + 31T^{2} \)
37 \( 1 - 1.26T + 37T^{2} \)
41 \( 1 + 4.21T + 41T^{2} \)
43 \( 1 - 3.23T + 43T^{2} \)
47 \( 1 + 5.81T + 47T^{2} \)
53 \( 1 - 2.75T + 53T^{2} \)
59 \( 1 + 6.49T + 59T^{2} \)
61 \( 1 - 11.7T + 61T^{2} \)
67 \( 1 - 3.80T + 67T^{2} \)
71 \( 1 + 13.7T + 71T^{2} \)
73 \( 1 - 4.57T + 73T^{2} \)
79 \( 1 + 12.2T + 79T^{2} \)
83 \( 1 - 8.84T + 83T^{2} \)
89 \( 1 + 9.09T + 89T^{2} \)
97 \( 1 + 8.22T + 97T^{2} \)
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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

−9.730443129374046063359597687903, −9.153684810135889410579185786950, −8.053715991227431665278274842469, −7.15463987264097835269544625293, −5.98097438315834265791377738476, −5.38097783376084437584819392194, −4.29743256781591600904054992368, −3.33873972812795889058382473050, −1.95015074235929394309347079557, 0, 1.95015074235929394309347079557, 3.33873972812795889058382473050, 4.29743256781591600904054992368, 5.38097783376084437584819392194, 5.98097438315834265791377738476, 7.15463987264097835269544625293, 8.053715991227431665278274842469, 9.153684810135889410579185786950, 9.730443129374046063359597687903

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