Properties

Label 2-23-1.1-c15-0-23
Degree $2$
Conductor $23$
Sign $-1$
Analytic cond. $32.8195$
Root an. cond. $5.72883$
Motivic weight $15$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 333.·2-s − 5.66e3·3-s + 7.81e4·4-s − 5.62e4·5-s − 1.88e6·6-s + 7.14e5·7-s + 1.51e7·8-s + 1.76e7·9-s − 1.87e7·10-s − 9.95e7·11-s − 4.42e8·12-s + 9.71e6·13-s + 2.37e8·14-s + 3.18e8·15-s + 2.47e9·16-s − 1.65e9·17-s + 5.89e9·18-s − 4.03e9·19-s − 4.39e9·20-s − 4.04e9·21-s − 3.31e10·22-s + 3.40e9·23-s − 8.56e10·24-s − 2.73e10·25-s + 3.23e9·26-s − 1.88e10·27-s + 5.58e10·28-s + ⋯
L(s)  = 1  + 1.84·2-s − 1.49·3-s + 2.38·4-s − 0.321·5-s − 2.74·6-s + 0.327·7-s + 2.55·8-s + 1.23·9-s − 0.592·10-s − 1.54·11-s − 3.56·12-s + 0.0429·13-s + 0.603·14-s + 0.480·15-s + 2.30·16-s − 0.975·17-s + 2.26·18-s − 1.03·19-s − 0.767·20-s − 0.489·21-s − 2.83·22-s + 0.208·23-s − 3.81·24-s − 0.896·25-s + 0.0790·26-s − 0.347·27-s + 0.782·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 23 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(23\)
Sign: $-1$
Analytic conductor: \(32.8195\)
Root analytic conductor: \(5.72883\)
Motivic weight: \(15\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 23,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad23 \( 1 - 3.40e9T \)
good2 \( 1 - 333.T + 3.27e4T^{2} \)
3 \( 1 + 5.66e3T + 1.43e7T^{2} \)
5 \( 1 + 5.62e4T + 3.05e10T^{2} \)
7 \( 1 - 7.14e5T + 4.74e12T^{2} \)
11 \( 1 + 9.95e7T + 4.17e15T^{2} \)
13 \( 1 - 9.71e6T + 5.11e16T^{2} \)
17 \( 1 + 1.65e9T + 2.86e18T^{2} \)
19 \( 1 + 4.03e9T + 1.51e19T^{2} \)
29 \( 1 + 1.48e11T + 8.62e21T^{2} \)
31 \( 1 + 1.73e11T + 2.34e22T^{2} \)
37 \( 1 - 9.32e11T + 3.33e23T^{2} \)
41 \( 1 + 1.07e12T + 1.55e24T^{2} \)
43 \( 1 - 1.58e12T + 3.17e24T^{2} \)
47 \( 1 - 5.31e12T + 1.20e25T^{2} \)
53 \( 1 - 9.86e12T + 7.31e25T^{2} \)
59 \( 1 + 1.47e13T + 3.65e26T^{2} \)
61 \( 1 + 2.01e13T + 6.02e26T^{2} \)
67 \( 1 - 4.07e13T + 2.46e27T^{2} \)
71 \( 1 - 1.17e14T + 5.87e27T^{2} \)
73 \( 1 + 4.58e13T + 8.90e27T^{2} \)
79 \( 1 + 1.72e14T + 2.91e28T^{2} \)
83 \( 1 - 1.04e14T + 6.11e28T^{2} \)
89 \( 1 - 3.72e14T + 1.74e29T^{2} \)
97 \( 1 + 8.00e14T + 6.33e29T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−13.30344737787643169786469016106, −12.56209244250857872162842767004, −11.28986146299849248074222394379, −10.78608285955136122961120848924, −7.44328414315327162105739411989, −6.05976004505753870010347303421, −5.19336774724483490167742035609, −4.13626958249507163214625092450, −2.21934105502287138311578334058, 0, 2.21934105502287138311578334058, 4.13626958249507163214625092450, 5.19336774724483490167742035609, 6.05976004505753870010347303421, 7.44328414315327162105739411989, 10.78608285955136122961120848924, 11.28986146299849248074222394379, 12.56209244250857872162842767004, 13.30344737787643169786469016106

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