Properties

Label 2-891-1.1-c1-0-7
Degree $2$
Conductor $891$
Sign $1$
Analytic cond. $7.11467$
Root an. cond. $2.66733$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 2·4-s − 2·5-s + 4·7-s + 4·10-s + 11-s + 4·13-s − 8·14-s − 4·16-s + 4·17-s − 6·19-s − 4·20-s − 2·22-s − 23-s − 25-s − 8·26-s + 8·28-s + 31-s + 8·32-s − 8·34-s − 8·35-s + 3·37-s + 12·38-s − 2·41-s + 12·43-s + 2·44-s + 2·46-s + ⋯
L(s)  = 1  − 1.41·2-s + 4-s − 0.894·5-s + 1.51·7-s + 1.26·10-s + 0.301·11-s + 1.10·13-s − 2.13·14-s − 16-s + 0.970·17-s − 1.37·19-s − 0.894·20-s − 0.426·22-s − 0.208·23-s − 1/5·25-s − 1.56·26-s + 1.51·28-s + 0.179·31-s + 1.41·32-s − 1.37·34-s − 1.35·35-s + 0.493·37-s + 1.94·38-s − 0.312·41-s + 1.82·43-s + 0.301·44-s + 0.294·46-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 891,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7912355108\)
\(L(\frac12)\) \(\approx\) \(0.7912355108\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad3 \( 1 \)
11 \( 1 - T \)
good2 \( 1 + p T + p T^{2} \) 1.2.c
5 \( 1 + 2 T + p T^{2} \) 1.5.c
7 \( 1 - 4 T + p T^{2} \) 1.7.ae
13 \( 1 - 4 T + p T^{2} \) 1.13.ae
17 \( 1 - 4 T + p T^{2} \) 1.17.ae
19 \( 1 + 6 T + p T^{2} \) 1.19.g
23 \( 1 + T + p T^{2} \) 1.23.b
29 \( 1 + p T^{2} \) 1.29.a
31 \( 1 - T + p T^{2} \) 1.31.ab
37 \( 1 - 3 T + p T^{2} \) 1.37.ad
41 \( 1 + 2 T + p T^{2} \) 1.41.c
43 \( 1 - 12 T + p T^{2} \) 1.43.am
47 \( 1 + 7 T + p T^{2} \) 1.47.h
53 \( 1 - 3 T + p T^{2} \) 1.53.ad
59 \( 1 - 11 T + p T^{2} \) 1.59.al
61 \( 1 + p T^{2} \) 1.61.a
67 \( 1 + 4 T + p T^{2} \) 1.67.e
71 \( 1 - 15 T + p T^{2} \) 1.71.ap
73 \( 1 + 8 T + p T^{2} \) 1.73.i
79 \( 1 + 10 T + p T^{2} \) 1.79.k
83 \( 1 - 12 T + p T^{2} \) 1.83.am
89 \( 1 - 3 T + p T^{2} \) 1.89.ad
97 \( 1 - 17 T + p T^{2} \) 1.97.ar
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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

−10.14699813320344871568896778184, −9.042720857679721134052233248892, −8.281922090633992161077459278719, −8.020557649607552611162113556218, −7.16792216484054517737503154680, −5.98757410762844504568083159424, −4.64044667538893438397726921426, −3.83590502335216880130516763272, −2.02279147792362879497590466766, −0.931362933455762091067918970399, 0.931362933455762091067918970399, 2.02279147792362879497590466766, 3.83590502335216880130516763272, 4.64044667538893438397726921426, 5.98757410762844504568083159424, 7.16792216484054517737503154680, 8.020557649607552611162113556218, 8.281922090633992161077459278719, 9.042720857679721134052233248892, 10.14699813320344871568896778184

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