Properties

Label 2-55-1.1-c5-0-6
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  − 8.45·2-s − 26.7·3-s + 39.4·4-s + 25·5-s + 226.·6-s + 22.2·7-s − 63.3·8-s + 473.·9-s − 211.·10-s + 121·11-s − 1.05e3·12-s − 225.·13-s − 188.·14-s − 669.·15-s − 728.·16-s − 1.05e3·17-s − 4.00e3·18-s + 2.52e3·19-s + 987.·20-s − 596.·21-s − 1.02e3·22-s − 337.·23-s + 1.69e3·24-s + 625·25-s + 1.90e3·26-s − 6.18e3·27-s + 880.·28-s + ⋯
L(s)  = 1  − 1.49·2-s − 1.71·3-s + 1.23·4-s + 0.447·5-s + 2.56·6-s + 0.171·7-s − 0.349·8-s + 1.95·9-s − 0.668·10-s + 0.301·11-s − 2.11·12-s − 0.370·13-s − 0.257·14-s − 0.768·15-s − 0.711·16-s − 0.889·17-s − 2.91·18-s + 1.60·19-s + 0.551·20-s − 0.295·21-s − 0.450·22-s − 0.133·23-s + 0.600·24-s + 0.200·25-s + 0.553·26-s − 1.63·27-s + 0.212·28-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 \( 1 + 8.45T + 32T^{2} \)
3 \( 1 + 26.7T + 243T^{2} \)
7 \( 1 - 22.2T + 1.68e4T^{2} \)
13 \( 1 + 225.T + 3.71e5T^{2} \)
17 \( 1 + 1.05e3T + 1.41e6T^{2} \)
19 \( 1 - 2.52e3T + 2.47e6T^{2} \)
23 \( 1 + 337.T + 6.43e6T^{2} \)
29 \( 1 + 7.64e3T + 2.05e7T^{2} \)
31 \( 1 - 6.75e3T + 2.86e7T^{2} \)
37 \( 1 + 5.66e3T + 6.93e7T^{2} \)
41 \( 1 + 1.33e4T + 1.15e8T^{2} \)
43 \( 1 - 9.00e3T + 1.47e8T^{2} \)
47 \( 1 + 1.66e4T + 2.29e8T^{2} \)
53 \( 1 - 2.12e4T + 4.18e8T^{2} \)
59 \( 1 + 4.43e4T + 7.14e8T^{2} \)
61 \( 1 + 3.65e4T + 8.44e8T^{2} \)
67 \( 1 + 4.58e4T + 1.35e9T^{2} \)
71 \( 1 + 3.18e4T + 1.80e9T^{2} \)
73 \( 1 - 4.99e4T + 2.07e9T^{2} \)
79 \( 1 - 4.82e4T + 3.07e9T^{2} \)
83 \( 1 - 6.60e4T + 3.93e9T^{2} \)
89 \( 1 + 1.24e5T + 5.58e9T^{2} \)
97 \( 1 - 7.38e4T + 8.58e9T^{2} \)
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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

−13.53538190619253896261462190286, −11.98294298539494008226114611750, −11.18204680035488534572594079097, −10.20101213022699922747536131391, −9.261939384966243794412727035963, −7.50277514409221844094750648786, −6.38925775015976217417957842781, −4.96281994733437368358485169982, −1.45076769074978056359026672149, 0, 1.45076769074978056359026672149, 4.96281994733437368358485169982, 6.38925775015976217417957842781, 7.50277514409221844094750648786, 9.261939384966243794412727035963, 10.20101213022699922747536131391, 11.18204680035488534572594079097, 11.98294298539494008226114611750, 13.53538190619253896261462190286

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