Properties

Label 2-69-1.1-c1-0-0
Degree $2$
Conductor $69$
Sign $1$
Analytic cond. $0.550967$
Root an. cond. $0.742272$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.23·2-s − 3-s + 3.00·4-s + 1.23·5-s + 2.23·6-s + 3.23·7-s − 2.23·8-s + 9-s − 2.76·10-s + 4·11-s − 3.00·12-s − 4.47·13-s − 7.23·14-s − 1.23·15-s − 0.999·16-s − 2.76·17-s − 2.23·18-s + 7.23·19-s + 3.70·20-s − 3.23·21-s − 8.94·22-s + 23-s + 2.23·24-s − 3.47·25-s + 10.0·26-s − 27-s + 9.70·28-s + ⋯
L(s)  = 1  − 1.58·2-s − 0.577·3-s + 1.50·4-s + 0.552·5-s + 0.912·6-s + 1.22·7-s − 0.790·8-s + 0.333·9-s − 0.874·10-s + 1.20·11-s − 0.866·12-s − 1.24·13-s − 1.93·14-s − 0.319·15-s − 0.249·16-s − 0.670·17-s − 0.527·18-s + 1.66·19-s + 0.829·20-s − 0.706·21-s − 1.90·22-s + 0.208·23-s + 0.456·24-s − 0.694·25-s + 1.96·26-s − 0.192·27-s + 1.83·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 69 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(69\)    =    \(3 \cdot 23\)
Sign: $1$
Analytic conductor: \(0.550967\)
Root analytic conductor: \(0.742272\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 69,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4725447308\)
\(L(\frac12)\) \(\approx\) \(0.4725447308\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
23 \( 1 - T \)
good2 \( 1 + 2.23T + 2T^{2} \)
5 \( 1 - 1.23T + 5T^{2} \)
7 \( 1 - 3.23T + 7T^{2} \)
11 \( 1 - 4T + 11T^{2} \)
13 \( 1 + 4.47T + 13T^{2} \)
17 \( 1 + 2.76T + 17T^{2} \)
19 \( 1 - 7.23T + 19T^{2} \)
29 \( 1 - 4.47T + 29T^{2} \)
31 \( 1 + 6.47T + 31T^{2} \)
37 \( 1 - 4.47T + 37T^{2} \)
41 \( 1 + 10.9T + 41T^{2} \)
43 \( 1 + 5.70T + 43T^{2} \)
47 \( 1 + 4T + 47T^{2} \)
53 \( 1 + 5.23T + 53T^{2} \)
59 \( 1 + 4.94T + 59T^{2} \)
61 \( 1 - 4.47T + 61T^{2} \)
67 \( 1 - 0.763T + 67T^{2} \)
71 \( 1 + 8T + 71T^{2} \)
73 \( 1 - 6.94T + 73T^{2} \)
79 \( 1 - 9.70T + 79T^{2} \)
83 \( 1 - 4T + 83T^{2} \)
89 \( 1 + 1.23T + 89T^{2} \)
97 \( 1 - 8.47T + 97T^{2} \)
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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

−14.95715533007426163850111930637, −13.81899745768686567473769273524, −11.90798729347742989362181053457, −11.28536519904873953585469610543, −9.998840008183561101707583288020, −9.209997901439462058565944429156, −7.85443001137786965466864754159, −6.76275085319516488596762758674, −4.98567104290795192227696532437, −1.65001680377957710884516373019, 1.65001680377957710884516373019, 4.98567104290795192227696532437, 6.76275085319516488596762758674, 7.85443001137786965466864754159, 9.209997901439462058565944429156, 9.998840008183561101707583288020, 11.28536519904873953585469610543, 11.90798729347742989362181053457, 13.81899745768686567473769273524, 14.95715533007426163850111930637

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