Properties

Label 2-14-7.3-c14-0-7
Degree $2$
Conductor $14$
Sign $0.806 + 0.591i$
Analytic cond. $17.4060$
Root an. cond. $4.17205$
Motivic weight $14$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (45.2 + 78.3i)2-s + (−262. − 151. i)3-s + (−4.09e3 + 7.09e3i)4-s + (1.06e5 − 6.13e4i)5-s − 2.74e4i·6-s + (−7.89e5 + 2.33e5i)7-s − 7.41e5·8-s + (−2.34e6 − 4.06e6i)9-s + (9.61e6 + 5.54e6i)10-s + (9.98e6 − 1.73e7i)11-s + (2.14e6 − 1.24e6i)12-s − 4.33e7i·13-s + (−5.40e7 − 5.13e7i)14-s − 3.71e7·15-s + (−3.35e7 − 5.81e7i)16-s + (4.48e8 + 2.59e8i)17-s + ⋯
L(s)  = 1  + (0.353 + 0.612i)2-s + (−0.119 − 0.0692i)3-s + (−0.249 + 0.433i)4-s + (1.35 − 0.784i)5-s − 0.0979i·6-s + (−0.958 + 0.283i)7-s − 0.353·8-s + (−0.490 − 0.849i)9-s + (0.961 + 0.554i)10-s + (0.512 − 0.887i)11-s + (0.0599 − 0.0346i)12-s − 0.690i·13-s + (−0.512 − 0.486i)14-s − 0.217·15-s + (−0.125 − 0.216i)16-s + (1.09 + 0.631i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.806 + 0.591i)\, \overline{\Lambda}(15-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+7) \, L(s)\cr =\mathstrut & (0.806 + 0.591i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $0.806 + 0.591i$
Analytic conductor: \(17.4060\)
Root analytic conductor: \(4.17205\)
Motivic weight: \(14\)
Rational: no
Arithmetic: yes
Character: $\chi_{14} (3, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 14,\ (\ :7),\ 0.806 + 0.591i)\)

Particular Values

\(L(\frac{15}{2})\) \(\approx\) \(2.08744 - 0.683342i\)
\(L(\frac12)\) \(\approx\) \(2.08744 - 0.683342i\)
\(L(8)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-45.2 - 78.3i)T \)
7 \( 1 + (7.89e5 - 2.33e5i)T \)
good3 \( 1 + (262. + 151. i)T + (2.39e6 + 4.14e6i)T^{2} \)
5 \( 1 + (-1.06e5 + 6.13e4i)T + (3.05e9 - 5.28e9i)T^{2} \)
11 \( 1 + (-9.98e6 + 1.73e7i)T + (-1.89e14 - 3.28e14i)T^{2} \)
13 \( 1 + 4.33e7iT - 3.93e15T^{2} \)
17 \( 1 + (-4.48e8 - 2.59e8i)T + (8.41e16 + 1.45e17i)T^{2} \)
19 \( 1 + (-8.44e8 + 4.87e8i)T + (3.99e17 - 6.91e17i)T^{2} \)
23 \( 1 + (1.28e9 + 2.22e9i)T + (-5.79e18 + 1.00e19i)T^{2} \)
29 \( 1 - 3.33e10T + 2.97e20T^{2} \)
31 \( 1 + (3.94e10 + 2.28e10i)T + (3.78e20 + 6.55e20i)T^{2} \)
37 \( 1 + (4.05e10 + 7.02e10i)T + (-4.50e21 + 7.80e21i)T^{2} \)
41 \( 1 - 2.23e11iT - 3.79e22T^{2} \)
43 \( 1 + 3.64e11T + 7.38e22T^{2} \)
47 \( 1 + (3.54e10 - 2.04e10i)T + (1.28e23 - 2.22e23i)T^{2} \)
53 \( 1 + (4.00e11 - 6.93e11i)T + (-6.89e23 - 1.19e24i)T^{2} \)
59 \( 1 + (-8.72e11 - 5.03e11i)T + (3.09e24 + 5.36e24i)T^{2} \)
61 \( 1 + (-1.17e12 + 6.79e11i)T + (4.93e24 - 8.55e24i)T^{2} \)
67 \( 1 + (2.43e12 - 4.21e12i)T + (-1.83e25 - 3.18e25i)T^{2} \)
71 \( 1 - 4.67e12T + 8.27e25T^{2} \)
73 \( 1 + (4.73e12 + 2.73e12i)T + (6.10e25 + 1.05e26i)T^{2} \)
79 \( 1 + (1.42e12 + 2.47e12i)T + (-1.84e26 + 3.19e26i)T^{2} \)
83 \( 1 - 5.45e12iT - 7.36e26T^{2} \)
89 \( 1 + (-3.25e13 + 1.88e13i)T + (9.78e26 - 1.69e27i)T^{2} \)
97 \( 1 + 1.14e14iT - 6.52e27T^{2} \)
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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

−16.17892956031824383882148179339, −14.46679183018805551643348129756, −13.27977500571975310705678666412, −12.22471894411661614776141787409, −9.795262213763188434704676334647, −8.683879540715653882682560793617, −6.29563474721768753418643774608, −5.55148296885712925003341985314, −3.18857047537674541351544492693, −0.78574526028332738067867616311, 1.73340714952662175673632930977, 3.16399043239238567835351305494, 5.37203191593862222680819382431, 6.82435257811998286729964143579, 9.606599631511113251128056558259, 10.32135509888024860728449567575, 12.03875645959260545728394808838, 13.70244090926230809274363172752, 14.27248441734268208139744423112, 16.36101509139734290906343426221

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