Properties

Label 2-931-133.9-c1-0-7
Degree $2$
Conductor $931$
Sign $-0.273 - 0.961i$
Analytic cond. $7.43407$
Root an. cond. $2.72654$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.26 + 0.460i)2-s + (−2.70 − 0.984i)3-s + (−0.141 − 0.118i)4-s + (−0.673 + 0.565i)5-s + (−2.97 − 2.49i)6-s + (−1.47 − 2.54i)8-s + (4.05 + 3.40i)9-s + (−1.11 + 0.405i)10-s + (1.11 − 1.92i)11-s + (0.266 + 0.460i)12-s + (−1.97 − 1.65i)13-s + (2.37 − 0.866i)15-s + (−0.624 − 3.54i)16-s + (−0.358 + 0.300i)17-s + (3.56 + 6.17i)18-s + (−2.77 + 3.35i)19-s + ⋯
L(s)  = 1  + (0.895 + 0.325i)2-s + (−1.56 − 0.568i)3-s + (−0.0707 − 0.0593i)4-s + (−0.301 + 0.252i)5-s + (−1.21 − 1.01i)6-s + (−0.520 − 0.901i)8-s + (1.35 + 1.13i)9-s + (−0.352 + 0.128i)10-s + (0.335 − 0.581i)11-s + (0.0768 + 0.133i)12-s + (−0.546 − 0.458i)13-s + (0.614 − 0.223i)15-s + (−0.156 − 0.885i)16-s + (−0.0869 + 0.0729i)17-s + (0.840 + 1.45i)18-s + (−0.637 + 0.770i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 931 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.273 - 0.961i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 931 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.273 - 0.961i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(931\)    =    \(7^{2} \cdot 19\)
Sign: $-0.273 - 0.961i$
Analytic conductor: \(7.43407\)
Root analytic conductor: \(2.72654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{931} (275, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 931,\ (\ :1/2),\ -0.273 - 0.961i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.285753 + 0.378189i\)
\(L(\frac12)\) \(\approx\) \(0.285753 + 0.378189i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
19 \( 1 + (2.77 - 3.35i)T \)
good2 \( 1 + (-1.26 - 0.460i)T + (1.53 + 1.28i)T^{2} \)
3 \( 1 + (2.70 + 0.984i)T + (2.29 + 1.92i)T^{2} \)
5 \( 1 + (0.673 - 0.565i)T + (0.868 - 4.92i)T^{2} \)
11 \( 1 + (-1.11 + 1.92i)T + (-5.5 - 9.52i)T^{2} \)
13 \( 1 + (1.97 + 1.65i)T + (2.25 + 12.8i)T^{2} \)
17 \( 1 + (0.358 - 0.300i)T + (2.95 - 16.7i)T^{2} \)
23 \( 1 + (0.467 - 2.65i)T + (-21.6 - 7.86i)T^{2} \)
29 \( 1 + (1.19 - 6.77i)T + (-27.2 - 9.91i)T^{2} \)
31 \( 1 - 7.10T + 31T^{2} \)
37 \( 1 + (2.47 - 4.28i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (1.89 - 1.59i)T + (7.11 - 40.3i)T^{2} \)
43 \( 1 + (3.66 + 1.33i)T + (32.9 + 27.6i)T^{2} \)
47 \( 1 + (-5.58 - 4.68i)T + (8.16 + 46.2i)T^{2} \)
53 \( 1 + (2.17 + 1.82i)T + (9.20 + 52.1i)T^{2} \)
59 \( 1 + (-4.83 + 4.05i)T + (10.2 - 58.1i)T^{2} \)
61 \( 1 + (1.58 - 8.98i)T + (-57.3 - 20.8i)T^{2} \)
67 \( 1 + (7.21 - 2.62i)T + (51.3 - 43.0i)T^{2} \)
71 \( 1 + (-8.74 - 3.18i)T + (54.3 + 45.6i)T^{2} \)
73 \( 1 + (-1.30 - 0.475i)T + (55.9 + 46.9i)T^{2} \)
79 \( 1 + (2.05 + 11.6i)T + (-74.2 + 27.0i)T^{2} \)
83 \( 1 + (7.41 - 12.8i)T + (-41.5 - 71.8i)T^{2} \)
89 \( 1 + (9.67 - 3.51i)T + (68.1 - 57.2i)T^{2} \)
97 \( 1 + (1.64 + 9.30i)T + (-91.1 + 33.1i)T^{2} \)
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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

−10.51901087312716888329699472937, −9.760024276002513095764897279812, −8.462774742876983263024994781057, −7.28422462552910049990377745773, −6.64849602411039563589927777127, −5.85920680815967867224260128531, −5.30347947955184391699108033451, −4.39727684691027067249768259083, −3.28496802669240283530761374371, −1.25034219362912372278718982149, 0.22552770491951505481854021575, 2.38257447769699727631038592325, 4.03943591942922162903130136779, 4.47977574253035898088583003273, 5.12575153990328347994548933770, 6.12882866709044161860793091127, 6.84895738943231565636523348214, 8.166722423227128457468259060209, 9.199234799233811005991736799311, 10.07666465212397074357971018894

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