Properties

Label 2-19-1.1-c3-0-3
Degree $2$
Conductor $19$
Sign $-1$
Analytic cond. $1.12103$
Root an. cond. $1.05879$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3·2-s − 5·3-s + 4-s − 12·5-s + 15·6-s + 11·7-s + 21·8-s − 2·9-s + 36·10-s − 54·11-s − 5·12-s + 11·13-s − 33·14-s + 60·15-s − 71·16-s − 93·17-s + 6·18-s + 19·19-s − 12·20-s − 55·21-s + 162·22-s + 183·23-s − 105·24-s + 19·25-s − 33·26-s + 145·27-s + 11·28-s + ⋯
L(s)  = 1  − 1.06·2-s − 0.962·3-s + 1/8·4-s − 1.07·5-s + 1.02·6-s + 0.593·7-s + 0.928·8-s − 0.0740·9-s + 1.13·10-s − 1.48·11-s − 0.120·12-s + 0.234·13-s − 0.629·14-s + 1.03·15-s − 1.10·16-s − 1.32·17-s + 0.0785·18-s + 0.229·19-s − 0.134·20-s − 0.571·21-s + 1.56·22-s + 1.65·23-s − 0.893·24-s + 0.151·25-s − 0.248·26-s + 1.03·27-s + 0.0742·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(19\)
Sign: $-1$
Analytic conductor: \(1.12103\)
Root analytic conductor: \(1.05879\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 19,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad19 \( 1 - p T \)
good2 \( 1 + 3 T + p^{3} T^{2} \)
3 \( 1 + 5 T + p^{3} T^{2} \)
5 \( 1 + 12 T + p^{3} T^{2} \)
7 \( 1 - 11 T + p^{3} T^{2} \)
11 \( 1 + 54 T + p^{3} T^{2} \)
13 \( 1 - 11 T + p^{3} T^{2} \)
17 \( 1 + 93 T + p^{3} T^{2} \)
23 \( 1 - 183 T + p^{3} T^{2} \)
29 \( 1 + 249 T + p^{3} T^{2} \)
31 \( 1 - 56 T + p^{3} T^{2} \)
37 \( 1 + 250 T + p^{3} T^{2} \)
41 \( 1 - 240 T + p^{3} T^{2} \)
43 \( 1 + 196 T + p^{3} T^{2} \)
47 \( 1 + 168 T + p^{3} T^{2} \)
53 \( 1 - 435 T + p^{3} T^{2} \)
59 \( 1 - 195 T + p^{3} T^{2} \)
61 \( 1 + 358 T + p^{3} T^{2} \)
67 \( 1 + 961 T + p^{3} T^{2} \)
71 \( 1 + 246 T + p^{3} T^{2} \)
73 \( 1 - 353 T + p^{3} T^{2} \)
79 \( 1 + 34 T + p^{3} T^{2} \)
83 \( 1 - 234 T + p^{3} T^{2} \)
89 \( 1 + 168 T + p^{3} T^{2} \)
97 \( 1 - 758 T + p^{3} T^{2} \)
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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

−17.58875749031053232571110216987, −16.44460263590893958759911056138, −15.31887690195496920901368861056, −13.18979549337806002217766502698, −11.38639438643715075444238680673, −10.72499211422131494197200210212, −8.681385456418463477585042604079, −7.43877395472707668026159534233, −4.94183518858343165992778413003, 0, 4.94183518858343165992778413003, 7.43877395472707668026159534233, 8.681385456418463477585042604079, 10.72499211422131494197200210212, 11.38639438643715075444238680673, 13.18979549337806002217766502698, 15.31887690195496920901368861056, 16.44460263590893958759911056138, 17.58875749031053232571110216987

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