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Properties

Label 2-731-731.16-c1-0-16
Degree $2$
Conductor $731$
Sign $0.676 + 0.736i$
Analytic cond. $5.83706$
Root an. cond. $2.41600$
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  + (−0.501 − 2.19i)2-s + (−1.02 − 0.234i)3-s + (−2.77 + 1.33i)4-s + (1.62 − 1.29i)5-s + 2.37i·6-s + 4.11i·7-s + (1.50 + 1.89i)8-s + (−1.70 − 0.819i)9-s + (−3.66 − 2.91i)10-s + (−0.236 + 0.491i)11-s + (3.15 − 0.721i)12-s + (2.43 + 3.05i)13-s + (9.04 − 2.06i)14-s + (−1.97 + 0.950i)15-s + (−0.433 + 0.542i)16-s + (3.68 + 1.85i)17-s + ⋯
L(s)  = 1  + (−0.354 − 1.55i)2-s + (−0.593 − 0.135i)3-s + (−1.38 + 0.667i)4-s + (0.726 − 0.579i)5-s + 0.969i·6-s + 1.55i·7-s + (0.533 + 0.669i)8-s + (−0.567 − 0.273i)9-s + (−1.15 − 0.923i)10-s + (−0.0713 + 0.148i)11-s + (0.912 − 0.208i)12-s + (0.675 + 0.847i)13-s + (2.41 − 0.551i)14-s + (−0.509 + 0.245i)15-s + (−0.108 + 0.135i)16-s + (0.893 + 0.449i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.676 + 0.736i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.676 + 0.736i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(731\)    =    \(17 \cdot 43\)
Sign: $0.676 + 0.736i$
Analytic conductor: \(5.83706\)
Root analytic conductor: \(2.41600\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{731} (16, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ 0.676 + 0.736i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.852136 - 0.374635i\)
\(L(\frac12)\) \(\approx\) \(0.852136 - 0.374635i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 + (-3.68 - 1.85i)T \)
43 \( 1 + (5.74 - 3.15i)T \)
good2 \( 1 + (0.501 + 2.19i)T + (-1.80 + 0.867i)T^{2} \)
3 \( 1 + (1.02 + 0.234i)T + (2.70 + 1.30i)T^{2} \)
5 \( 1 + (-1.62 + 1.29i)T + (1.11 - 4.87i)T^{2} \)
7 \( 1 - 4.11iT - 7T^{2} \)
11 \( 1 + (0.236 - 0.491i)T + (-6.85 - 8.60i)T^{2} \)
13 \( 1 + (-2.43 - 3.05i)T + (-2.89 + 12.6i)T^{2} \)
19 \( 1 + (1.60 - 0.772i)T + (11.8 - 14.8i)T^{2} \)
23 \( 1 + (0.956 - 1.98i)T + (-14.3 - 17.9i)T^{2} \)
29 \( 1 + (-3.76 + 0.859i)T + (26.1 - 12.5i)T^{2} \)
31 \( 1 + (-6.82 + 1.55i)T + (27.9 - 13.4i)T^{2} \)
37 \( 1 + 0.516iT - 37T^{2} \)
41 \( 1 + (-4.31 + 0.985i)T + (36.9 - 17.7i)T^{2} \)
47 \( 1 + (7.94 - 3.82i)T + (29.3 - 36.7i)T^{2} \)
53 \( 1 + (-8.64 + 10.8i)T + (-11.7 - 51.6i)T^{2} \)
59 \( 1 + (8.03 - 10.0i)T + (-13.1 - 57.5i)T^{2} \)
61 \( 1 + (7.03 + 1.60i)T + (54.9 + 26.4i)T^{2} \)
67 \( 1 + (-8.76 + 4.22i)T + (41.7 - 52.3i)T^{2} \)
71 \( 1 + (-5.92 - 12.3i)T + (-44.2 + 55.5i)T^{2} \)
73 \( 1 + (6.97 - 5.56i)T + (16.2 - 71.1i)T^{2} \)
79 \( 1 + 2.79iT - 79T^{2} \)
83 \( 1 + (-2.21 + 9.68i)T + (-74.7 - 36.0i)T^{2} \)
89 \( 1 + (-3.87 + 16.9i)T + (-80.1 - 38.6i)T^{2} \)
97 \( 1 + (5.07 - 10.5i)T + (-60.4 - 75.8i)T^{2} \)
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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

−10.25246167339575822670115699173, −9.562670202732787003221946574023, −8.846124940990231200575813628033, −8.321958952765602469270310034178, −6.32862742900087804155425438599, −5.80338392367862458392633158498, −4.75332008994755708513105666267, −3.33973317650185312864406899773, −2.25796648574317192037790047818, −1.28639187430093940451239588971, 0.65986336961439331752714637830, 3.01432447289799296684220422305, 4.54977879959524558048168331948, 5.46352564484023623432020363174, 6.29527129797398119034756923285, 6.79040307889106613182744326254, 7.86774877895744482956534088242, 8.367530449207703190728950302616, 9.702147467662947480550728572832, 10.42117442139739727976091498415

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