Properties

Label 2-230-1.1-c1-0-8
Degree $2$
Conductor $230$
Sign $1$
Analytic cond. $1.83655$
Root an. cond. $1.35519$
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-s + 2.68·3-s + 4-s − 5-s + 2.68·6-s − 4.59·7-s + 8-s + 4.22·9-s − 10-s + 5.13·11-s + 2.68·12-s − 1.22·13-s − 4.59·14-s − 2.68·15-s + 16-s − 4.68·17-s + 4.22·18-s − 4.59·19-s − 20-s − 12.3·21-s + 5.13·22-s − 23-s + 2.68·24-s + 25-s − 1.22·26-s + 3.28·27-s − 4.59·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.55·3-s + 0.5·4-s − 0.447·5-s + 1.09·6-s − 1.73·7-s + 0.353·8-s + 1.40·9-s − 0.316·10-s + 1.54·11-s + 0.775·12-s − 0.338·13-s − 1.22·14-s − 0.693·15-s + 0.250·16-s − 1.13·17-s + 0.995·18-s − 1.05·19-s − 0.223·20-s − 2.69·21-s + 1.09·22-s − 0.208·23-s + 0.548·24-s + 0.200·25-s − 0.239·26-s + 0.632·27-s − 0.868·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 230 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 230 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(230\)    =    \(2 \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(1.83655\)
Root analytic conductor: \(1.35519\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 230,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.359869302\)
\(L(\frac12)\) \(\approx\) \(2.359869302\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
5 \( 1 + T \)
23 \( 1 + T \)
good3 \( 1 - 2.68T + 3T^{2} \)
7 \( 1 + 4.59T + 7T^{2} \)
11 \( 1 - 5.13T + 11T^{2} \)
13 \( 1 + 1.22T + 13T^{2} \)
17 \( 1 + 4.68T + 17T^{2} \)
19 \( 1 + 4.59T + 19T^{2} \)
29 \( 1 - 3.37T + 29T^{2} \)
31 \( 1 + 0.777T + 31T^{2} \)
37 \( 1 - 5.81T + 37T^{2} \)
41 \( 1 + 8.50T + 41T^{2} \)
43 \( 1 - 8T + 43T^{2} \)
47 \( 1 + 6.44T + 47T^{2} \)
53 \( 1 + 6T + 53T^{2} \)
59 \( 1 - 9.37T + 59T^{2} \)
61 \( 1 - 10.9T + 61T^{2} \)
67 \( 1 - 15.6T + 67T^{2} \)
71 \( 1 - 1.31T + 71T^{2} \)
73 \( 1 + 4.44T + 73T^{2} \)
79 \( 1 + 4.88T + 79T^{2} \)
83 \( 1 + 3.81T + 83T^{2} \)
89 \( 1 - 8.93T + 89T^{2} \)
97 \( 1 + 18.0T + 97T^{2} \)
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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

−12.64051517333045021380319705344, −11.47471728390542385508531428870, −10.01054966463209336887680512748, −9.221193891353278168147803757554, −8.396012933536110344209181167679, −6.95349431963623971899874497637, −6.41585253670014841738370349535, −4.21837372826066387075583667493, −3.54703003231268187357050421861, −2.41708781421801947228034811566, 2.41708781421801947228034811566, 3.54703003231268187357050421861, 4.21837372826066387075583667493, 6.41585253670014841738370349535, 6.95349431963623971899874497637, 8.396012933536110344209181167679, 9.221193891353278168147803757554, 10.01054966463209336887680512748, 11.47471728390542385508531428870, 12.64051517333045021380319705344

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