Properties

Label 2-2e3-1.1-c23-0-3
Degree $2$
Conductor $8$
Sign $-1$
Analytic cond. $26.8163$
Root an. cond. $5.17844$
Motivic weight $23$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.74e5·3-s + 8.41e7·5-s − 5.95e9·7-s + 2.35e11·9-s + 1.24e12·11-s + 7.21e12·13-s − 4.83e13·15-s − 6.50e13·17-s − 5.56e14·19-s + 3.42e15·21-s − 3.08e15·23-s − 4.84e15·25-s − 8.12e16·27-s − 4.69e16·29-s + 2.40e17·31-s − 7.13e17·33-s − 5.01e17·35-s − 5.28e17·37-s − 4.14e18·39-s + 1.59e18·41-s + 7.35e18·43-s + 1.98e19·45-s − 1.63e19·47-s + 8.12e18·49-s + 3.73e19·51-s − 2.64e19·53-s + 1.04e20·55-s + ⋯
L(s)  = 1  − 1.87·3-s + 0.770·5-s − 1.13·7-s + 2.50·9-s + 1.31·11-s + 1.11·13-s − 1.44·15-s − 0.460·17-s − 1.09·19-s + 2.13·21-s − 0.674·23-s − 0.406·25-s − 2.81·27-s − 0.715·29-s + 1.70·31-s − 2.45·33-s − 0.877·35-s − 0.488·37-s − 2.08·39-s + 0.453·41-s + 1.20·43-s + 1.92·45-s − 0.967·47-s + 0.296·49-s + 0.862·51-s − 0.391·53-s + 1.01·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(24-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+23/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $-1$
Analytic conductor: \(26.8163\)
Root analytic conductor: \(5.17844\)
Motivic weight: \(23\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 8,\ (\ :23/2),\ -1)\)

Particular Values

\(L(12)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{25}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 5.74e5T + 9.41e10T^{2} \)
5 \( 1 - 8.41e7T + 1.19e16T^{2} \)
7 \( 1 + 5.95e9T + 2.73e19T^{2} \)
11 \( 1 - 1.24e12T + 8.95e23T^{2} \)
13 \( 1 - 7.21e12T + 4.17e25T^{2} \)
17 \( 1 + 6.50e13T + 1.99e28T^{2} \)
19 \( 1 + 5.56e14T + 2.57e29T^{2} \)
23 \( 1 + 3.08e15T + 2.08e31T^{2} \)
29 \( 1 + 4.69e16T + 4.31e33T^{2} \)
31 \( 1 - 2.40e17T + 2.00e34T^{2} \)
37 \( 1 + 5.28e17T + 1.17e36T^{2} \)
41 \( 1 - 1.59e18T + 1.24e37T^{2} \)
43 \( 1 - 7.35e18T + 3.71e37T^{2} \)
47 \( 1 + 1.63e19T + 2.87e38T^{2} \)
53 \( 1 + 2.64e19T + 4.55e39T^{2} \)
59 \( 1 + 3.24e20T + 5.36e40T^{2} \)
61 \( 1 + 3.22e20T + 1.15e41T^{2} \)
67 \( 1 + 1.09e21T + 9.99e41T^{2} \)
71 \( 1 + 2.30e20T + 3.79e42T^{2} \)
73 \( 1 - 8.33e20T + 7.18e42T^{2} \)
79 \( 1 - 2.59e21T + 4.42e43T^{2} \)
83 \( 1 + 1.05e22T + 1.37e44T^{2} \)
89 \( 1 - 4.07e22T + 6.85e44T^{2} \)
97 \( 1 + 9.40e22T + 4.96e45T^{2} \)
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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

−15.80962119748965286284403023803, −13.39229671775951288574836396720, −12.14946864444288184488189567580, −10.79524661974056312355186155720, −9.521333393595047162042737082394, −6.42466379102561216966283980141, −6.10621489963350830003614920012, −4.15551091387888452174319835526, −1.42610746650890802960986163753, 0, 1.42610746650890802960986163753, 4.15551091387888452174319835526, 6.10621489963350830003614920012, 6.42466379102561216966283980141, 9.521333393595047162042737082394, 10.79524661974056312355186155720, 12.14946864444288184488189567580, 13.39229671775951288574836396720, 15.80962119748965286284403023803

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