Properties

Label 2-891-1.1-c1-0-30
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  + 2.49·2-s + 4.22·4-s + 3.40·5-s − 2.82·7-s + 5.55·8-s + 8.48·10-s − 11-s + 4.13·13-s − 7.05·14-s + 5.41·16-s − 6.64·17-s + 0.858·19-s + 14.3·20-s − 2.49·22-s − 4.06·23-s + 6.56·25-s + 10.3·26-s − 11.9·28-s + 10.2·29-s − 3.76·31-s + 2.40·32-s − 16.5·34-s − 9.61·35-s − 8.11·37-s + 2.14·38-s + 18.9·40-s + 1.50·41-s + ⋯
L(s)  = 1  + 1.76·2-s + 2.11·4-s + 1.52·5-s − 1.06·7-s + 1.96·8-s + 2.68·10-s − 0.301·11-s + 1.14·13-s − 1.88·14-s + 1.35·16-s − 1.61·17-s + 0.196·19-s + 3.21·20-s − 0.532·22-s − 0.846·23-s + 1.31·25-s + 2.02·26-s − 2.25·28-s + 1.90·29-s − 0.675·31-s + 0.424·32-s − 2.84·34-s − 1.62·35-s − 1.33·37-s + 0.347·38-s + 2.98·40-s + 0.234·41-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

\(L(1)\) \(\approx\) \(4.917632262\)
\(L(\frac12)\) \(\approx\) \(4.917632262\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.49T + 2T^{2} \)
5 \( 1 - 3.40T + 5T^{2} \)
7 \( 1 + 2.82T + 7T^{2} \)
13 \( 1 - 4.13T + 13T^{2} \)
17 \( 1 + 6.64T + 17T^{2} \)
19 \( 1 - 0.858T + 19T^{2} \)
23 \( 1 + 4.06T + 23T^{2} \)
29 \( 1 - 10.2T + 29T^{2} \)
31 \( 1 + 3.76T + 31T^{2} \)
37 \( 1 + 8.11T + 37T^{2} \)
41 \( 1 - 1.50T + 41T^{2} \)
43 \( 1 - 1.48T + 43T^{2} \)
47 \( 1 + 8.51T + 47T^{2} \)
53 \( 1 + 0.252T + 53T^{2} \)
59 \( 1 - 10.9T + 59T^{2} \)
61 \( 1 - 0.334T + 61T^{2} \)
67 \( 1 + 11.7T + 67T^{2} \)
71 \( 1 - 9.77T + 71T^{2} \)
73 \( 1 - 7.29T + 73T^{2} \)
79 \( 1 - 12.7T + 79T^{2} \)
83 \( 1 + 8.31T + 83T^{2} \)
89 \( 1 - 1.65T + 89T^{2} \)
97 \( 1 + 9.18T + 97T^{2} \)
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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

−10.36024401741891287867615848070, −9.465771163718354460155609154212, −8.493380244913484947655253171968, −6.77153782557984402385660850857, −6.45595797416088265757091165604, −5.76864140714726330098444218600, −4.89962377984455462450503877146, −3.79151984697612866138947865656, −2.81164556975075910885690533986, −1.90386177366371464256103671398, 1.90386177366371464256103671398, 2.81164556975075910885690533986, 3.79151984697612866138947865656, 4.89962377984455462450503877146, 5.76864140714726330098444218600, 6.45595797416088265757091165604, 6.77153782557984402385660850857, 8.493380244913484947655253171968, 9.465771163718354460155609154212, 10.36024401741891287867615848070

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