Properties

Label 2-21675-1.1-c1-0-2
Degree $2$
Conductor $21675$
Sign $1$
Analytic cond. $173.075$
Root an. cond. $13.1558$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 2·4-s − 4·7-s + 9-s + 3·11-s − 2·12-s + 13-s + 4·16-s − 19-s − 4·21-s + 9·23-s + 27-s + 8·28-s − 6·29-s − 2·31-s + 3·33-s − 2·36-s − 4·37-s + 39-s + 3·41-s + 7·43-s − 6·44-s + 6·47-s + 4·48-s + 9·49-s − 2·52-s + 6·53-s + ⋯
L(s)  = 1  + 0.577·3-s − 4-s − 1.51·7-s + 1/3·9-s + 0.904·11-s − 0.577·12-s + 0.277·13-s + 16-s − 0.229·19-s − 0.872·21-s + 1.87·23-s + 0.192·27-s + 1.51·28-s − 1.11·29-s − 0.359·31-s + 0.522·33-s − 1/3·36-s − 0.657·37-s + 0.160·39-s + 0.468·41-s + 1.06·43-s − 0.904·44-s + 0.875·47-s + 0.577·48-s + 9/7·49-s − 0.277·52-s + 0.824·53-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 21675 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 21675 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(21675\)    =    \(3 \cdot 5^{2} \cdot 17^{2}\)
Sign: $1$
Analytic conductor: \(173.075\)
Root analytic conductor: \(13.1558\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 21675,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.679156965\)
\(L(\frac12)\) \(\approx\) \(1.679156965\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
5 \( 1 \)
17 \( 1 \)
good2 \( 1 + p T^{2} \)
7 \( 1 + 4 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - T + p T^{2} \)
19 \( 1 + T + p T^{2} \)
23 \( 1 - 9 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 - 3 T + p T^{2} \)
43 \( 1 - 7 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 + 16 T + p T^{2} \)
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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

−15.39320183500682, −14.94800206193470, −14.51257127824168, −13.76891825788667, −13.41853074855706, −12.93664373845166, −12.50814305261080, −11.97189225367663, −10.96361283417758, −10.56856349050627, −9.751169147108564, −9.287723972042963, −9.056059189209078, −8.569700646198540, −7.630754512995864, −7.081995823211992, −6.516097403696149, −5.782008241288634, −5.202896508746613, −4.221724060819919, −3.819059514505526, −3.252575997364471, −2.569403306836858, −1.375575207823029, −0.5544980049861026, 0.5544980049861026, 1.375575207823029, 2.569403306836858, 3.252575997364471, 3.819059514505526, 4.221724060819919, 5.202896508746613, 5.782008241288634, 6.516097403696149, 7.081995823211992, 7.630754512995864, 8.569700646198540, 9.056059189209078, 9.287723972042963, 9.751169147108564, 10.56856349050627, 10.96361283417758, 11.97189225367663, 12.50814305261080, 12.93664373845166, 13.41853074855706, 13.76891825788667, 14.51257127824168, 14.94800206193470, 15.39320183500682

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