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Properties

Label 2-13-13.10-c3-0-1
Degree $2$
Conductor $13$
Sign $0.957 + 0.289i$
Analytic cond. $0.767024$
Root an. cond. $0.875799$
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  + (1.5 − 0.866i)2-s + (−1 − 1.73i)3-s + (−2.5 + 4.33i)4-s + 1.73i·5-s + (−3 − 1.73i)6-s + (−12 − 6.92i)7-s + 22.5i·8-s + (11.5 − 19.9i)9-s + (1.49 + 2.59i)10-s + (12 − 6.92i)11-s + 10·12-s + (45.5 − 11.2i)13-s − 24·14-s + (2.99 − 1.73i)15-s + (−0.500 − 0.866i)16-s + (−58.5 + 101. i)17-s + ⋯
L(s)  = 1  + (0.530 − 0.306i)2-s + (−0.192 − 0.333i)3-s + (−0.312 + 0.541i)4-s + 0.154i·5-s + (−0.204 − 0.117i)6-s + (−0.647 − 0.374i)7-s + 0.995i·8-s + (0.425 − 0.737i)9-s + (0.0474 + 0.0821i)10-s + (0.328 − 0.189i)11-s + 0.240·12-s + (0.970 − 0.240i)13-s − 0.458·14-s + (0.0516 − 0.0298i)15-s + (−0.00781 − 0.0135i)16-s + (−0.834 + 1.44i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.957 + 0.289i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.957 + 0.289i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(13\)
Sign: $0.957 + 0.289i$
Analytic conductor: \(0.767024\)
Root analytic conductor: \(0.875799\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{13} (10, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 13,\ (\ :3/2),\ 0.957 + 0.289i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.04076 - 0.154029i\)
\(L(\frac12)\) \(\approx\) \(1.04076 - 0.154029i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + (-45.5 + 11.2i)T \)
good2 \( 1 + (-1.5 + 0.866i)T + (4 - 6.92i)T^{2} \)
3 \( 1 + (1 + 1.73i)T + (-13.5 + 23.3i)T^{2} \)
5 \( 1 - 1.73iT - 125T^{2} \)
7 \( 1 + (12 + 6.92i)T + (171.5 + 297. i)T^{2} \)
11 \( 1 + (-12 + 6.92i)T + (665.5 - 1.15e3i)T^{2} \)
17 \( 1 + (58.5 - 101. i)T + (-2.45e3 - 4.25e3i)T^{2} \)
19 \( 1 + (99 + 57.1i)T + (3.42e3 + 5.94e3i)T^{2} \)
23 \( 1 + (-39 - 67.5i)T + (-6.08e3 + 1.05e4i)T^{2} \)
29 \( 1 + (-70.5 - 122. i)T + (-1.21e4 + 2.11e4i)T^{2} \)
31 \( 1 + 155. iT - 2.97e4T^{2} \)
37 \( 1 + (124.5 - 71.8i)T + (2.53e4 - 4.38e4i)T^{2} \)
41 \( 1 + (-235.5 + 135. i)T + (3.44e4 - 5.96e4i)T^{2} \)
43 \( 1 + (52 - 90.0i)T + (-3.97e4 - 6.88e4i)T^{2} \)
47 \( 1 + 301. iT - 1.03e5T^{2} \)
53 \( 1 - 93T + 1.48e5T^{2} \)
59 \( 1 + (246 + 142. i)T + (1.02e5 + 1.77e5i)T^{2} \)
61 \( 1 + (72.5 - 125. i)T + (-1.13e5 - 1.96e5i)T^{2} \)
67 \( 1 + (681 - 393. i)T + (1.50e5 - 2.60e5i)T^{2} \)
71 \( 1 + (-915 - 528. i)T + (1.78e5 + 3.09e5i)T^{2} \)
73 \( 1 + 458. iT - 3.89e5T^{2} \)
79 \( 1 - 1.27e3T + 4.93e5T^{2} \)
83 \( 1 - 789. iT - 5.71e5T^{2} \)
89 \( 1 + (846 - 488. i)T + (3.52e5 - 6.10e5i)T^{2} \)
97 \( 1 + (-174 - 100. i)T + (4.56e5 + 7.90e5i)T^{2} \)
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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

−19.50752909096018256887140678710, −18.00079251783951060487176370950, −16.92096272912926110469252774589, −15.14413292162704069430548515255, −13.36238127724265163184551261728, −12.62060054542997103347677841983, −10.94872441274391514249844106255, −8.751724509032825632034212394218, −6.55954385010205411763053889022, −3.82089278567738814603334571403, 4.61610486448213139359214098709, 6.44642247865807450236577898176, 9.145887368596140060017474345389, 10.67577508221439449057168113284, 12.76776063570069867432355301239, 13.97966085743690877963176414599, 15.52482972107435867423016421077, 16.39943340649917061283650070128, 18.38745997698692694960953777081, 19.38787102262126019114903646140

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