Properties

Label 2-2303-1.1-c3-0-238
Degree $2$
Conductor $2303$
Sign $1$
Analytic cond. $135.881$
Root an. cond. $11.6568$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.72·2-s − 9.01·3-s + 14.3·4-s − 1.14·5-s − 42.5·6-s + 29.8·8-s + 54.2·9-s − 5.40·10-s + 46.3·11-s − 129.·12-s + 78.5·13-s + 10.3·15-s + 26.5·16-s + 117.·17-s + 256.·18-s + 34.0·19-s − 16.3·20-s + 218.·22-s − 58.1·23-s − 269.·24-s − 123.·25-s + 371.·26-s − 245.·27-s + 219.·29-s + 48.7·30-s − 312.·31-s − 113.·32-s + ⋯
L(s)  = 1  + 1.67·2-s − 1.73·3-s + 1.79·4-s − 0.102·5-s − 2.89·6-s + 1.31·8-s + 2.00·9-s − 0.170·10-s + 1.27·11-s − 3.10·12-s + 1.67·13-s + 0.177·15-s + 0.414·16-s + 1.67·17-s + 3.35·18-s + 0.411·19-s − 0.183·20-s + 2.12·22-s − 0.527·23-s − 2.28·24-s − 0.989·25-s + 2.79·26-s − 1.75·27-s + 1.40·29-s + 0.296·30-s − 1.81·31-s − 0.627·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2303 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2303 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2303\)    =    \(7^{2} \cdot 47\)
Sign: $1$
Analytic conductor: \(135.881\)
Root analytic conductor: \(11.6568\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2303,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(4.408758090\)
\(L(\frac12)\) \(\approx\) \(4.408758090\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
47 \( 1 - 47T \)
good2 \( 1 - 4.72T + 8T^{2} \)
3 \( 1 + 9.01T + 27T^{2} \)
5 \( 1 + 1.14T + 125T^{2} \)
11 \( 1 - 46.3T + 1.33e3T^{2} \)
13 \( 1 - 78.5T + 2.19e3T^{2} \)
17 \( 1 - 117.T + 4.91e3T^{2} \)
19 \( 1 - 34.0T + 6.85e3T^{2} \)
23 \( 1 + 58.1T + 1.21e4T^{2} \)
29 \( 1 - 219.T + 2.43e4T^{2} \)
31 \( 1 + 312.T + 2.97e4T^{2} \)
37 \( 1 - 189.T + 5.06e4T^{2} \)
41 \( 1 + 193.T + 6.89e4T^{2} \)
43 \( 1 + 374.T + 7.95e4T^{2} \)
53 \( 1 - 680.T + 1.48e5T^{2} \)
59 \( 1 + 120.T + 2.05e5T^{2} \)
61 \( 1 - 750.T + 2.26e5T^{2} \)
67 \( 1 - 132.T + 3.00e5T^{2} \)
71 \( 1 - 536.T + 3.57e5T^{2} \)
73 \( 1 + 766.T + 3.89e5T^{2} \)
79 \( 1 + 809.T + 4.93e5T^{2} \)
83 \( 1 + 154.T + 5.71e5T^{2} \)
89 \( 1 - 761.T + 7.04e5T^{2} \)
97 \( 1 - 1.17e3T + 9.12e5T^{2} \)
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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

−8.535700990567859261285902397240, −7.31483869997125945327940443880, −6.64184803716089732219938794902, −5.87580401758247079358571580421, −5.72071399832034240374743221585, −4.78107369217433214254738578082, −3.84208847922592140607221042755, −3.51793794066497543299318066814, −1.68708097087718232712015755041, −0.861222237274731647610419394318, 0.861222237274731647610419394318, 1.68708097087718232712015755041, 3.51793794066497543299318066814, 3.84208847922592140607221042755, 4.78107369217433214254738578082, 5.72071399832034240374743221585, 5.87580401758247079358571580421, 6.64184803716089732219938794902, 7.31483869997125945327940443880, 8.535700990567859261285902397240

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