Properties

Label 2-23-23.22-c16-0-21
Degree $2$
Conductor $23$
Sign $1$
Analytic cond. $37.3346$
Root an. cond. $6.11020$
Motivic weight $16$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 505.·2-s + 1.31e4·3-s + 1.89e5·4-s − 6.63e6·6-s − 6.28e7·8-s + 1.29e8·9-s + 2.49e9·12-s + 2.27e8·13-s + 1.93e10·16-s − 6.52e10·18-s + 7.83e10·23-s − 8.24e11·24-s + 1.52e11·25-s − 1.14e11·26-s + 1.12e12·27-s − 7.17e11·29-s − 1.33e11·31-s − 5.64e12·32-s + 2.45e13·36-s + 2.98e12·39-s + 1.04e13·41-s − 3.95e13·46-s − 3.79e13·47-s + 2.53e14·48-s + 3.32e13·49-s − 7.71e13·50-s + 4.32e13·52-s + ⋯
L(s)  = 1  − 1.97·2-s + 1.99·3-s + 2.89·4-s − 3.94·6-s − 3.74·8-s + 2.99·9-s + 5.79·12-s + 0.278·13-s + 4.50·16-s − 5.92·18-s + 23-s − 7.49·24-s + 25-s − 0.550·26-s + 3.99·27-s − 1.43·29-s − 0.156·31-s − 5.13·32-s + 8.69·36-s + 0.557·39-s + 1.30·41-s − 1.97·46-s − 1.59·47-s + 9.00·48-s + 49-s − 1.97·50-s + 0.808·52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(17-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+8) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $1$
Analytic conductor: \(37.3346\)
Root analytic conductor: \(6.11020\)
Motivic weight: \(16\)
Rational: no
Arithmetic: yes
Character: $\chi_{23} (22, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 23,\ (\ :8),\ 1)\)

Particular Values

\(L(\frac{17}{2})\) \(\approx\) \(1.978685878\)
\(L(\frac12)\) \(\approx\) \(1.978685878\)
\(L(9)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 - 7.83e10T \)
good2 \( 1 + 505.T + 6.55e4T^{2} \)
3 \( 1 - 1.31e4T + 4.30e7T^{2} \)
5 \( 1 - 1.52e11T^{2} \)
7 \( 1 - 3.32e13T^{2} \)
11 \( 1 - 4.59e16T^{2} \)
13 \( 1 - 2.27e8T + 6.65e17T^{2} \)
17 \( 1 - 4.86e19T^{2} \)
19 \( 1 - 2.88e20T^{2} \)
29 \( 1 + 7.17e11T + 2.50e23T^{2} \)
31 \( 1 + 1.33e11T + 7.27e23T^{2} \)
37 \( 1 - 1.23e25T^{2} \)
41 \( 1 - 1.04e13T + 6.37e25T^{2} \)
43 \( 1 - 1.36e26T^{2} \)
47 \( 1 + 3.79e13T + 5.66e26T^{2} \)
53 \( 1 - 3.87e27T^{2} \)
59 \( 1 + 6.02e13T + 2.15e28T^{2} \)
61 \( 1 - 3.67e28T^{2} \)
67 \( 1 - 1.64e29T^{2} \)
71 \( 1 - 5.79e14T + 4.16e29T^{2} \)
73 \( 1 - 8.85e14T + 6.50e29T^{2} \)
79 \( 1 - 2.30e30T^{2} \)
83 \( 1 - 5.07e30T^{2} \)
89 \( 1 - 1.54e31T^{2} \)
97 \( 1 - 6.14e31T^{2} \)
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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

−14.62858611386184425965840941705, −12.80286444578359497850164654342, −10.82803332061811798617184074373, −9.559937044721455388269512012472, −8.873758660945888926627681352902, −7.87689846616542435416416687270, −6.93079258941494336740045652652, −3.30237062375205593340606069317, −2.21367948598989338945496235546, −1.09900690167474916942541225891, 1.09900690167474916942541225891, 2.21367948598989338945496235546, 3.30237062375205593340606069317, 6.93079258941494336740045652652, 7.87689846616542435416416687270, 8.873758660945888926627681352902, 9.559937044721455388269512012472, 10.82803332061811798617184074373, 12.80286444578359497850164654342, 14.62858611386184425965840941705

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