Properties

Label 2-55-1.1-c5-0-17
Degree $2$
Conductor $55$
Sign $-1$
Analytic cond. $8.82111$
Root an. cond. $2.97003$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 7.82·2-s − 16.3·3-s + 29.2·4-s − 25·5-s − 127.·6-s − 125.·7-s − 21.7·8-s + 22.8·9-s − 195.·10-s − 121·11-s − 476.·12-s + 532.·13-s − 981.·14-s + 407.·15-s − 1.10e3·16-s − 1.37e3·17-s + 178.·18-s − 554.·19-s − 730.·20-s + 2.04e3·21-s − 946.·22-s + 4.25e3·23-s + 353.·24-s + 625·25-s + 4.16e3·26-s + 3.58e3·27-s − 3.66e3·28-s + ⋯
L(s)  = 1  + 1.38·2-s − 1.04·3-s + 0.913·4-s − 0.447·5-s − 1.44·6-s − 0.967·7-s − 0.119·8-s + 0.0939·9-s − 0.618·10-s − 0.301·11-s − 0.955·12-s + 0.873·13-s − 1.33·14-s + 0.467·15-s − 1.07·16-s − 1.15·17-s + 0.129·18-s − 0.352·19-s − 0.408·20-s + 1.01·21-s − 0.417·22-s + 1.67·23-s + 0.125·24-s + 0.200·25-s + 1.20·26-s + 0.947·27-s − 0.883·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 55 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 55 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(55\)    =    \(5 \cdot 11\)
Sign: $-1$
Analytic conductor: \(8.82111\)
Root analytic conductor: \(2.97003\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 55,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + 25T \)
11 \( 1 + 121T \)
good2 \( 1 - 7.82T + 32T^{2} \)
3 \( 1 + 16.3T + 243T^{2} \)
7 \( 1 + 125.T + 1.68e4T^{2} \)
13 \( 1 - 532.T + 3.71e5T^{2} \)
17 \( 1 + 1.37e3T + 1.41e6T^{2} \)
19 \( 1 + 554.T + 2.47e6T^{2} \)
23 \( 1 - 4.25e3T + 6.43e6T^{2} \)
29 \( 1 + 6.97e3T + 2.05e7T^{2} \)
31 \( 1 - 3.13e3T + 2.86e7T^{2} \)
37 \( 1 - 1.38e3T + 6.93e7T^{2} \)
41 \( 1 - 679.T + 1.15e8T^{2} \)
43 \( 1 + 1.72e3T + 1.47e8T^{2} \)
47 \( 1 + 1.51e4T + 2.29e8T^{2} \)
53 \( 1 + 9.54e3T + 4.18e8T^{2} \)
59 \( 1 - 2.75e4T + 7.14e8T^{2} \)
61 \( 1 + 4.05e4T + 8.44e8T^{2} \)
67 \( 1 + 5.87e4T + 1.35e9T^{2} \)
71 \( 1 + 4.25e4T + 1.80e9T^{2} \)
73 \( 1 - 2.37e4T + 2.07e9T^{2} \)
79 \( 1 + 7.86e4T + 3.07e9T^{2} \)
83 \( 1 - 5.22e4T + 3.93e9T^{2} \)
89 \( 1 - 8.15e3T + 5.58e9T^{2} \)
97 \( 1 - 7.90e4T + 8.58e9T^{2} \)
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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

−13.32779602285801649924992840541, −12.83942875742554205581132419048, −11.59239281058810462992628757457, −10.87011372956552610271840328524, −8.970357153050841115564913238364, −6.78443238236780676041348362223, −5.90571861093459695816930268547, −4.63328584143517183668702116175, −3.18377717240491839984000138461, 0, 3.18377717240491839984000138461, 4.63328584143517183668702116175, 5.90571861093459695816930268547, 6.78443238236780676041348362223, 8.970357153050841115564913238364, 10.87011372956552610271840328524, 11.59239281058810462992628757457, 12.83942875742554205581132419048, 13.32779602285801649924992840541

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