Properties

Label 2-221991-1.1-c1-0-10
Degree $2$
Conductor $221991$
Sign $-1$
Analytic cond. $1772.60$
Root an. cond. $42.1023$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 3-s − 4-s − 2·5-s − 6-s + 7-s + 3·8-s + 9-s + 2·10-s + 11-s − 12-s − 6·13-s − 14-s − 2·15-s − 16-s − 2·17-s − 18-s + 4·19-s + 2·20-s + 21-s − 22-s + 3·24-s − 25-s + 6·26-s + 27-s − 28-s + 2·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.577·3-s − 1/2·4-s − 0.894·5-s − 0.408·6-s + 0.377·7-s + 1.06·8-s + 1/3·9-s + 0.632·10-s + 0.301·11-s − 0.288·12-s − 1.66·13-s − 0.267·14-s − 0.516·15-s − 1/4·16-s − 0.485·17-s − 0.235·18-s + 0.917·19-s + 0.447·20-s + 0.218·21-s − 0.213·22-s + 0.612·24-s − 1/5·25-s + 1.17·26-s + 0.192·27-s − 0.188·28-s + 0.371·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 221991 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 221991 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(221991\)    =    \(3 \cdot 7 \cdot 11 \cdot 31^{2}\)
Sign: $-1$
Analytic conductor: \(1772.60\)
Root analytic conductor: \(42.1023\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 221991,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
7 \( 1 - T \)
11 \( 1 - T \)
31 \( 1 \)
good2 \( 1 + T + p T^{2} \)
5 \( 1 + 2 T + p T^{2} \)
13 \( 1 + 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 18 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−13.17198468607955, −12.68763226311970, −12.25158053860225, −11.80779716677468, −11.24638582355857, −10.91822045922006, −10.12135107140502, −9.811690514148558, −9.531119688989177, −8.840262576720845, −8.566021416492797, −7.996511130713923, −7.634449794281135, −7.143268763227168, −7.000703321035663, −5.944452272039397, −5.350758594976821, −4.751881361843243, −4.393411366764971, −4.000708625120081, −3.251410422562819, −2.742238183351036, −2.007054391990224, −1.428937710243023, −0.6413442232704574, 0, 0.6413442232704574, 1.428937710243023, 2.007054391990224, 2.742238183351036, 3.251410422562819, 4.000708625120081, 4.393411366764971, 4.751881361843243, 5.350758594976821, 5.944452272039397, 7.000703321035663, 7.143268763227168, 7.634449794281135, 7.996511130713923, 8.566021416492797, 8.840262576720845, 9.531119688989177, 9.811690514148558, 10.12135107140502, 10.91822045922006, 11.24638582355857, 11.80779716677468, 12.25158053860225, 12.68763226311970, 13.17198468607955

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