Properties

Label 2-891-1.1-c1-0-5
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.894·2-s − 1.19·4-s − 3.74·5-s + 1.45·7-s − 2.86·8-s − 3.35·10-s − 11-s + 5.75·13-s + 1.29·14-s − 0.160·16-s + 4.79·17-s + 0.702·19-s + 4.49·20-s − 0.894·22-s + 1.65·23-s + 9.05·25-s + 5.14·26-s − 1.74·28-s + 4.30·29-s − 3.30·31-s + 5.58·32-s + 4.29·34-s − 5.43·35-s + 9.73·37-s + 0.628·38-s + 10.7·40-s − 4.24·41-s + ⋯
L(s)  = 1  + 0.632·2-s − 0.599·4-s − 1.67·5-s + 0.548·7-s − 1.01·8-s − 1.06·10-s − 0.301·11-s + 1.59·13-s + 0.346·14-s − 0.0400·16-s + 1.16·17-s + 0.161·19-s + 1.00·20-s − 0.190·22-s + 0.344·23-s + 1.81·25-s + 1.00·26-s − 0.329·28-s + 0.799·29-s − 0.593·31-s + 0.986·32-s + 0.735·34-s − 0.919·35-s + 1.60·37-s + 0.101·38-s + 1.69·40-s − 0.663·41-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: \(0\)
Selberg data: \((2,\ 891,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.384690641\)
\(L(\frac12)\) \(\approx\) \(1.384690641\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.894T + 2T^{2} \)
5 \( 1 + 3.74T + 5T^{2} \)
7 \( 1 - 1.45T + 7T^{2} \)
13 \( 1 - 5.75T + 13T^{2} \)
17 \( 1 - 4.79T + 17T^{2} \)
19 \( 1 - 0.702T + 19T^{2} \)
23 \( 1 - 1.65T + 23T^{2} \)
29 \( 1 - 4.30T + 29T^{2} \)
31 \( 1 + 3.30T + 31T^{2} \)
37 \( 1 - 9.73T + 37T^{2} \)
41 \( 1 + 4.24T + 41T^{2} \)
43 \( 1 + 4.10T + 43T^{2} \)
47 \( 1 + 1.79T + 47T^{2} \)
53 \( 1 - 1.15T + 53T^{2} \)
59 \( 1 - 4.65T + 59T^{2} \)
61 \( 1 - 2.54T + 61T^{2} \)
67 \( 1 - 8.94T + 67T^{2} \)
71 \( 1 + 5.14T + 71T^{2} \)
73 \( 1 - 10.5T + 73T^{2} \)
79 \( 1 + 1.08T + 79T^{2} \)
83 \( 1 - 3.80T + 83T^{2} \)
89 \( 1 - 4.01T + 89T^{2} \)
97 \( 1 - 3.29T + 97T^{2} \)
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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

−10.25495677969994129383234346251, −9.068402644826370914438126386702, −8.183001573706802007284534429859, −7.928248934097899509036576577619, −6.62825812796130266272600892064, −5.50368069580801506486047040498, −4.64973936865059218636440814893, −3.78772132931444710280312675983, −3.20428264604883994995032021875, −0.892194307395982919396068311152, 0.892194307395982919396068311152, 3.20428264604883994995032021875, 3.78772132931444710280312675983, 4.64973936865059218636440814893, 5.50368069580801506486047040498, 6.62825812796130266272600892064, 7.928248934097899509036576577619, 8.183001573706802007284534429859, 9.068402644826370914438126386702, 10.25495677969994129383234346251

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