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Properties

Label 2-14-7.4-c3-0-0
Degree $2$
Conductor $14$
Sign $0.874 - 0.485i$
Analytic cond. $0.826026$
Root an. cond. $0.908860$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1 + 1.73i)2-s + (0.5 − 0.866i)3-s + (−1.99 + 3.46i)4-s + (−3.5 − 6.06i)5-s + 1.99·6-s + (−10 − 15.5i)7-s − 7.99·8-s + (13 + 22.5i)9-s + (7 − 12.1i)10-s + (−17.5 + 30.3i)11-s + (1.99 + 3.46i)12-s + 66·13-s + (17 − 32.9i)14-s − 7·15-s + (−8 − 13.8i)16-s + (−29.5 + 51.0i)17-s + ⋯
L(s)  = 1  + (0.353 + 0.612i)2-s + (0.0962 − 0.166i)3-s + (−0.249 + 0.433i)4-s + (−0.313 − 0.542i)5-s + 0.136·6-s + (−0.539 − 0.841i)7-s − 0.353·8-s + (0.481 + 0.833i)9-s + (0.221 − 0.383i)10-s + (−0.479 + 0.830i)11-s + (0.0481 + 0.0833i)12-s + 1.40·13-s + (0.324 − 0.628i)14-s − 0.120·15-s + (−0.125 − 0.216i)16-s + (−0.420 + 0.728i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.874 - 0.485i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 14 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.874 - 0.485i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $0.874 - 0.485i$
Analytic conductor: \(0.826026\)
Root analytic conductor: \(0.908860\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{14} (11, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 14,\ (\ :3/2),\ 0.874 - 0.485i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.03971 + 0.269364i\)
\(L(\frac12)\) \(\approx\) \(1.03971 + 0.269364i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1 - 1.73i)T \)
7 \( 1 + (10 + 15.5i)T \)
good3 \( 1 + (-0.5 + 0.866i)T + (-13.5 - 23.3i)T^{2} \)
5 \( 1 + (3.5 + 6.06i)T + (-62.5 + 108. i)T^{2} \)
11 \( 1 + (17.5 - 30.3i)T + (-665.5 - 1.15e3i)T^{2} \)
13 \( 1 - 66T + 2.19e3T^{2} \)
17 \( 1 + (29.5 - 51.0i)T + (-2.45e3 - 4.25e3i)T^{2} \)
19 \( 1 + (68.5 + 118. i)T + (-3.42e3 + 5.94e3i)T^{2} \)
23 \( 1 + (-3.5 - 6.06i)T + (-6.08e3 + 1.05e4i)T^{2} \)
29 \( 1 - 106T + 2.43e4T^{2} \)
31 \( 1 + (37.5 - 64.9i)T + (-1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 + (5.5 + 9.52i)T + (-2.53e4 + 4.38e4i)T^{2} \)
41 \( 1 + 498T + 6.89e4T^{2} \)
43 \( 1 - 260T + 7.95e4T^{2} \)
47 \( 1 + (-85.5 - 148. i)T + (-5.19e4 + 8.99e4i)T^{2} \)
53 \( 1 + (-208.5 + 361. i)T + (-7.44e4 - 1.28e5i)T^{2} \)
59 \( 1 + (-8.5 + 14.7i)T + (-1.02e5 - 1.77e5i)T^{2} \)
61 \( 1 + (25.5 + 44.1i)T + (-1.13e5 + 1.96e5i)T^{2} \)
67 \( 1 + (219.5 - 380. i)T + (-1.50e5 - 2.60e5i)T^{2} \)
71 \( 1 + 784T + 3.57e5T^{2} \)
73 \( 1 + (147.5 - 255. i)T + (-1.94e5 - 3.36e5i)T^{2} \)
79 \( 1 + (-247.5 - 428. i)T + (-2.46e5 + 4.26e5i)T^{2} \)
83 \( 1 - 932T + 5.71e5T^{2} \)
89 \( 1 + (-436.5 - 756. i)T + (-3.52e5 + 6.10e5i)T^{2} \)
97 \( 1 + 290T + 9.12e5T^{2} \)
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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

−19.36659132660275986647232450062, −17.73376855449346056640164989882, −16.38042466698445010529767813229, −15.47552069754499605822576797552, −13.54746730171127226533518152529, −12.82745157815110757261047381609, −10.60580380214991759514489550893, −8.452930461734506816688691865851, −6.86227351184222756791851788691, −4.45809912835375765151201974082, 3.44148627176067932895503895911, 6.17419372141557392180812905306, 8.839065203126092887000071158281, 10.54641437726097788540688220612, 11.97993937386865071289635495549, 13.38296499294512487966267915579, 15.00722107260579078507327498172, 16.03861877898491807075026006561, 18.42395395886323971363820162841, 18.84861829834191611688641591318

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