Properties

Label 2-91-1.1-c7-0-20
Degree $2$
Conductor $91$
Sign $-1$
Analytic cond. $28.4270$
Root an. cond. $5.33170$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 21.0·2-s − 33.4·3-s + 315.·4-s + 271.·5-s + 703.·6-s − 343·7-s − 3.94e3·8-s − 1.06e3·9-s − 5.71e3·10-s − 610.·11-s − 1.05e4·12-s + 2.19e3·13-s + 7.22e3·14-s − 9.07e3·15-s + 4.26e4·16-s + 8.45e3·17-s + 2.25e4·18-s + 3.64e3·19-s + 8.55e4·20-s + 1.14e4·21-s + 1.28e4·22-s + 2.90e4·23-s + 1.31e5·24-s − 4.44e3·25-s − 4.62e4·26-s + 1.08e5·27-s − 1.08e5·28-s + ⋯
L(s)  = 1  − 1.86·2-s − 0.714·3-s + 2.46·4-s + 0.971·5-s + 1.33·6-s − 0.377·7-s − 2.72·8-s − 0.488·9-s − 1.80·10-s − 0.138·11-s − 1.76·12-s + 0.277·13-s + 0.703·14-s − 0.694·15-s + 2.60·16-s + 0.417·17-s + 0.909·18-s + 0.121·19-s + 2.39·20-s + 0.270·21-s + 0.257·22-s + 0.497·23-s + 1.94·24-s − 0.0568·25-s − 0.516·26-s + 1.06·27-s − 0.930·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(91\)    =    \(7 \cdot 13\)
Sign: $-1$
Analytic conductor: \(28.4270\)
Root analytic conductor: \(5.33170\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 91,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + 343T \)
13 \( 1 - 2.19e3T \)
good2 \( 1 + 21.0T + 128T^{2} \)
3 \( 1 + 33.4T + 2.18e3T^{2} \)
5 \( 1 - 271.T + 7.81e4T^{2} \)
11 \( 1 + 610.T + 1.94e7T^{2} \)
17 \( 1 - 8.45e3T + 4.10e8T^{2} \)
19 \( 1 - 3.64e3T + 8.93e8T^{2} \)
23 \( 1 - 2.90e4T + 3.40e9T^{2} \)
29 \( 1 + 8.53e4T + 1.72e10T^{2} \)
31 \( 1 + 4.65e4T + 2.75e10T^{2} \)
37 \( 1 - 4.65e5T + 9.49e10T^{2} \)
41 \( 1 + 1.13e5T + 1.94e11T^{2} \)
43 \( 1 - 9.41e5T + 2.71e11T^{2} \)
47 \( 1 + 1.04e6T + 5.06e11T^{2} \)
53 \( 1 + 1.46e6T + 1.17e12T^{2} \)
59 \( 1 - 8.61e5T + 2.48e12T^{2} \)
61 \( 1 + 2.05e6T + 3.14e12T^{2} \)
67 \( 1 - 2.17e6T + 6.06e12T^{2} \)
71 \( 1 + 1.10e6T + 9.09e12T^{2} \)
73 \( 1 + 2.49e6T + 1.10e13T^{2} \)
79 \( 1 + 4.91e6T + 1.92e13T^{2} \)
83 \( 1 + 8.71e5T + 2.71e13T^{2} \)
89 \( 1 + 1.09e7T + 4.42e13T^{2} \)
97 \( 1 - 1.31e7T + 8.07e13T^{2} \)
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

−11.57528607109332780056044621367, −10.80326614138835858328810439287, −9.814316479780883407193343798408, −9.066635895813777337279876414150, −7.79432062261302116620143933330, −6.47064081637744625272608618827, −5.67722785789557672405028268223, −2.72551537988363500379532921733, −1.29747157780935328742476209569, 0, 1.29747157780935328742476209569, 2.72551537988363500379532921733, 5.67722785789557672405028268223, 6.47064081637744625272608618827, 7.79432062261302116620143933330, 9.066635895813777337279876414150, 9.814316479780883407193343798408, 10.80326614138835858328810439287, 11.57528607109332780056044621367

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