Properties

Label 2-3e2-1.1-c21-0-6
Degree $2$
Conductor $9$
Sign $-1$
Analytic cond. $25.1529$
Root an. cond. $5.01527$
Motivic weight $21$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.09e6·4-s + 1.12e9·7-s − 3.70e11·13-s + 4.39e12·16-s − 3.55e13·19-s − 4.76e14·25-s − 2.35e15·28-s − 9.04e15·31-s − 5.77e16·37-s + 2.65e17·43-s + 7.04e17·49-s + 7.76e17·52-s − 1.08e19·61-s − 9.22e18·64-s + 6.94e18·67-s − 3.90e19·73-s + 7.45e19·76-s + 1.68e20·79-s − 4.15e20·91-s − 1.13e21·97-s + 1.00e21·100-s − 2.44e21·103-s + 4.46e21·109-s + 4.94e21·112-s + ⋯
L(s)  = 1  − 4-s + 1.50·7-s − 0.744·13-s + 16-s − 1.32·19-s − 25-s − 1.50·28-s − 1.98·31-s − 1.97·37-s + 1.87·43-s + 1.26·49-s + 0.744·52-s − 1.94·61-s − 64-s + 0.465·67-s − 1.06·73-s + 1.32·76-s + 1.99·79-s − 1.11·91-s − 1.55·97-s + 100-s − 1.79·103-s + 1.80·109-s + 1.50·112-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 9 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 9 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(9\)    =    \(3^{2}\)
Sign: $-1$
Analytic conductor: \(25.1529\)
Root analytic conductor: \(5.01527\)
Motivic weight: \(21\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 9,\ (\ :21/2),\ -1)\)

Particular Values

\(L(11)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 + p^{21} T^{2} \)
5 \( 1 + p^{21} T^{2} \)
7 \( 1 - 1123983020 T + p^{21} T^{2} \)
11 \( 1 + p^{21} T^{2} \)
13 \( 1 + 370076825230 T + p^{21} T^{2} \)
17 \( 1 + p^{21} T^{2} \)
19 \( 1 + 35540635313176 T + p^{21} T^{2} \)
23 \( 1 + p^{21} T^{2} \)
29 \( 1 + p^{21} T^{2} \)
31 \( 1 + 9040072142371732 T + p^{21} T^{2} \)
37 \( 1 + 57776323439003290 T + p^{21} T^{2} \)
41 \( 1 + p^{21} T^{2} \)
43 \( 1 - 265258444413820520 T + p^{21} T^{2} \)
47 \( 1 + p^{21} T^{2} \)
53 \( 1 + p^{21} T^{2} \)
59 \( 1 + p^{21} T^{2} \)
61 \( 1 + 10860691764464843938 T + p^{21} T^{2} \)
67 \( 1 - 6944332370266921520 T + p^{21} T^{2} \)
71 \( 1 + p^{21} T^{2} \)
73 \( 1 + 39098623343480501290 T + p^{21} T^{2} \)
79 \( 1 - \)\(16\!\cdots\!96\)\( T + p^{21} T^{2} \)
83 \( 1 + p^{21} T^{2} \)
89 \( 1 + p^{21} T^{2} \)
97 \( 1 + \)\(11\!\cdots\!30\)\( T + p^{21} T^{2} \)
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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

−14.95186301139230229602599090537, −13.99778428686472778004975206547, −12.40369048061808360773761215664, −10.72996068067356596917389199249, −9.000902865703866573097021703985, −7.73336406213411527525924249309, −5.33605102371365360949596689450, −4.14797589156354271684795216600, −1.80245821621307397821780599693, 0, 1.80245821621307397821780599693, 4.14797589156354271684795216600, 5.33605102371365360949596689450, 7.73336406213411527525924249309, 9.000902865703866573097021703985, 10.72996068067356596917389199249, 12.40369048061808360773761215664, 13.99778428686472778004975206547, 14.95186301139230229602599090537

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