Properties

Label 2-14-1.1-c3-0-0
Degree $2$
Conductor $14$
Sign $1$
Analytic cond. $0.826026$
Root an. cond. $0.908860$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 8·3-s + 4·4-s − 14·5-s − 16·6-s − 7·7-s − 8·8-s + 37·9-s + 28·10-s − 28·11-s + 32·12-s + 18·13-s + 14·14-s − 112·15-s + 16·16-s + 74·17-s − 74·18-s + 80·19-s − 56·20-s − 56·21-s + 56·22-s − 112·23-s − 64·24-s + 71·25-s − 36·26-s + 80·27-s − 28·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.53·3-s + 1/2·4-s − 1.25·5-s − 1.08·6-s − 0.377·7-s − 0.353·8-s + 1.37·9-s + 0.885·10-s − 0.767·11-s + 0.769·12-s + 0.384·13-s + 0.267·14-s − 1.92·15-s + 1/4·16-s + 1.05·17-s − 0.968·18-s + 0.965·19-s − 0.626·20-s − 0.581·21-s + 0.542·22-s − 1.01·23-s − 0.544·24-s + 0.567·25-s − 0.271·26-s + 0.570·27-s − 0.188·28-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(14\)    =    \(2 \cdot 7\)
Sign: $1$
Analytic conductor: \(0.826026\)
Root analytic conductor: \(0.908860\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 14,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.9193067426\)
\(L(\frac12)\) \(\approx\) \(0.9193067426\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p T \)
7 \( 1 + p T \)
good3 \( 1 - 8 T + p^{3} T^{2} \)
5 \( 1 + 14 T + p^{3} T^{2} \)
11 \( 1 + 28 T + p^{3} T^{2} \)
13 \( 1 - 18 T + p^{3} T^{2} \)
17 \( 1 - 74 T + p^{3} T^{2} \)
19 \( 1 - 80 T + p^{3} T^{2} \)
23 \( 1 + 112 T + p^{3} T^{2} \)
29 \( 1 - 190 T + p^{3} T^{2} \)
31 \( 1 - 72 T + p^{3} T^{2} \)
37 \( 1 + 346 T + p^{3} T^{2} \)
41 \( 1 - 162 T + p^{3} T^{2} \)
43 \( 1 + 412 T + p^{3} T^{2} \)
47 \( 1 - 24 T + p^{3} T^{2} \)
53 \( 1 - 6 p T + p^{3} T^{2} \)
59 \( 1 + 200 T + p^{3} T^{2} \)
61 \( 1 + 198 T + p^{3} T^{2} \)
67 \( 1 + 716 T + p^{3} T^{2} \)
71 \( 1 - 392 T + p^{3} T^{2} \)
73 \( 1 - 538 T + p^{3} T^{2} \)
79 \( 1 - 240 T + p^{3} T^{2} \)
83 \( 1 + 1072 T + p^{3} T^{2} \)
89 \( 1 - 810 T + p^{3} T^{2} \)
97 \( 1 - 1354 T + p^{3} T^{2} \)
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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

−19.35333994878018611468238019662, −18.37630389516892545263242891991, −16.11376996869225351950573125836, −15.36902088010492813544845878005, −13.88019434035864167717373197052, −12.07836169532718105087929262676, −10.06164256849421362540360180538, −8.448050551275855537988611024596, −7.57224949670005631561767955805, −3.31980664588488811136973402542, 3.31980664588488811136973402542, 7.57224949670005631561767955805, 8.448050551275855537988611024596, 10.06164256849421362540360180538, 12.07836169532718105087929262676, 13.88019434035864167717373197052, 15.36902088010492813544845878005, 16.11376996869225351950573125836, 18.37630389516892545263242891991, 19.35333994878018611468238019662

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