Properties

Label 2-23-1.1-c3-0-3
Degree $2$
Conductor $23$
Sign $1$
Analytic cond. $1.35704$
Root an. cond. $1.16492$
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  + 2.86·2-s + 3.43·3-s + 0.228·4-s − 17.9·5-s + 9.85·6-s + 32.7·7-s − 22.2·8-s − 15.1·9-s − 51.5·10-s + 26.7·11-s + 0.783·12-s − 14.4·13-s + 93.8·14-s − 61.7·15-s − 65.7·16-s + 24.7·17-s − 43.5·18-s + 94.6·19-s − 4.09·20-s + 112.·21-s + 76.6·22-s − 23·23-s − 76.6·24-s + 197.·25-s − 41.5·26-s − 145.·27-s + 7.46·28-s + ⋯
L(s)  = 1  + 1.01·2-s + 0.661·3-s + 0.0285·4-s − 1.60·5-s + 0.670·6-s + 1.76·7-s − 0.985·8-s − 0.562·9-s − 1.63·10-s + 0.731·11-s + 0.0188·12-s − 0.309·13-s + 1.79·14-s − 1.06·15-s − 1.02·16-s + 0.352·17-s − 0.570·18-s + 1.14·19-s − 0.0458·20-s + 1.16·21-s + 0.742·22-s − 0.208·23-s − 0.651·24-s + 1.58·25-s − 0.313·26-s − 1.03·27-s + 0.0503·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $1$
Analytic conductor: \(1.35704\)
Root analytic conductor: \(1.16492\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.686762950\)
\(L(\frac12)\) \(\approx\) \(1.686762950\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 + 23T \)
good2 \( 1 - 2.86T + 8T^{2} \)
3 \( 1 - 3.43T + 27T^{2} \)
5 \( 1 + 17.9T + 125T^{2} \)
7 \( 1 - 32.7T + 343T^{2} \)
11 \( 1 - 26.7T + 1.33e3T^{2} \)
13 \( 1 + 14.4T + 2.19e3T^{2} \)
17 \( 1 - 24.7T + 4.91e3T^{2} \)
19 \( 1 - 94.6T + 6.85e3T^{2} \)
29 \( 1 + 57.5T + 2.43e4T^{2} \)
31 \( 1 - 88.8T + 2.97e4T^{2} \)
37 \( 1 + 305.T + 5.06e4T^{2} \)
41 \( 1 + 179.T + 6.89e4T^{2} \)
43 \( 1 + 96.5T + 7.95e4T^{2} \)
47 \( 1 - 218.T + 1.03e5T^{2} \)
53 \( 1 + 519.T + 1.48e5T^{2} \)
59 \( 1 + 37.2T + 2.05e5T^{2} \)
61 \( 1 - 96.3T + 2.26e5T^{2} \)
67 \( 1 - 497.T + 3.00e5T^{2} \)
71 \( 1 + 19.6T + 3.57e5T^{2} \)
73 \( 1 + 208.T + 3.89e5T^{2} \)
79 \( 1 + 446.T + 4.93e5T^{2} \)
83 \( 1 - 501.T + 5.71e5T^{2} \)
89 \( 1 - 1.10e3T + 7.04e5T^{2} \)
97 \( 1 - 1.81e3T + 9.12e5T^{2} \)
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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

−17.37545982341871573293541822194, −15.50135367374781925520893469323, −14.60260480731421210265767793573, −14.01208391247861192424949034242, −12.00673288601360254869166702130, −11.48925967042603664859081290417, −8.738650172271792691317055559676, −7.71615961148401431843776613847, −4.97479405338250875487050898258, −3.60681355754534512502683995122, 3.60681355754534512502683995122, 4.97479405338250875487050898258, 7.71615961148401431843776613847, 8.738650172271792691317055559676, 11.48925967042603664859081290417, 12.00673288601360254869166702130, 14.01208391247861192424949034242, 14.60260480731421210265767793573, 15.50135367374781925520893469323, 17.37545982341871573293541822194

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