Properties

Label 2-156-1.1-c1-0-1
Degree $2$
Conductor $156$
Sign $-1$
Analytic cond. $1.24566$
Root an. cond. $1.11609$
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  − 3-s − 4·5-s − 2·7-s + 9-s − 4·11-s + 13-s + 4·15-s + 2·17-s − 2·19-s + 2·21-s + 11·25-s − 27-s − 6·29-s − 10·31-s + 4·33-s + 8·35-s + 10·37-s − 39-s + 8·41-s + 4·43-s − 4·45-s − 4·47-s − 3·49-s − 2·51-s − 10·53-s + 16·55-s + 2·57-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.78·5-s − 0.755·7-s + 1/3·9-s − 1.20·11-s + 0.277·13-s + 1.03·15-s + 0.485·17-s − 0.458·19-s + 0.436·21-s + 11/5·25-s − 0.192·27-s − 1.11·29-s − 1.79·31-s + 0.696·33-s + 1.35·35-s + 1.64·37-s − 0.160·39-s + 1.24·41-s + 0.609·43-s − 0.596·45-s − 0.583·47-s − 3/7·49-s − 0.280·51-s − 1.37·53-s + 2.15·55-s + 0.264·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 156 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 156 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(156\)    =    \(2^{2} \cdot 3 \cdot 13\)
Sign: $-1$
Analytic conductor: \(1.24566\)
Root analytic conductor: \(1.11609\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 156,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 + T \)
13 \( 1 - T \)
good5 \( 1 + 4 T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 + 14 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 - 16 T + p T^{2} \)
73 \( 1 + 10 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 + 4 T + p T^{2} \)
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

−12.60735281309983639791609167415, −11.28731824529632737026100079618, −10.81735681549710646583055818250, −9.399166260213490339159845776420, −7.965645572263157998665195857010, −7.33786979345918290465240439010, −5.89249065254499898615542236081, −4.45984308910786813852795903758, −3.27214076659366118813611445645, 0, 3.27214076659366118813611445645, 4.45984308910786813852795903758, 5.89249065254499898615542236081, 7.33786979345918290465240439010, 7.965645572263157998665195857010, 9.399166260213490339159845776420, 10.81735681549710646583055818250, 11.28731824529632737026100079618, 12.60735281309983639791609167415

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