Properties

Label 2-431-431.101-c2-0-11
Degree $2$
Conductor $431$
Sign $-0.500 + 0.865i$
Analytic cond. $11.7438$
Root an. cond. $3.42693$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.419 + 0.816i)2-s + (0.503 + 4.57i)3-s + (1.83 + 2.56i)4-s + (−5.01 − 2.34i)5-s + (−3.94 − 1.50i)6-s + (1.85 + 8.34i)7-s + (−6.49 + 0.956i)8-s + (−11.8 + 2.64i)9-s + (4.01 − 3.10i)10-s + (−5.44 + 3.05i)11-s + (−10.8 + 9.69i)12-s + (5.77 − 2.96i)13-s + (−7.59 − 1.98i)14-s + (8.22 − 24.0i)15-s + (−2.13 + 6.24i)16-s + (−9.26 − 16.5i)17-s + ⋯
L(s)  = 1  + (−0.209 + 0.408i)2-s + (0.167 + 1.52i)3-s + (0.459 + 0.642i)4-s + (−1.00 − 0.469i)5-s + (−0.657 − 0.251i)6-s + (0.265 + 1.19i)7-s + (−0.812 + 0.119i)8-s + (−1.32 + 0.294i)9-s + (0.401 − 0.310i)10-s + (−0.494 + 0.277i)11-s + (−0.901 + 0.807i)12-s + (0.444 − 0.228i)13-s + (−0.542 − 0.141i)14-s + (0.548 − 1.60i)15-s + (−0.133 + 0.390i)16-s + (−0.545 − 0.971i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 431 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.500 + 0.865i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 431 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.500 + 0.865i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(431\)
Sign: $-0.500 + 0.865i$
Analytic conductor: \(11.7438\)
Root analytic conductor: \(3.42693\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{431} (101, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 431,\ (\ :1),\ -0.500 + 0.865i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.497299 - 0.861686i\)
\(L(\frac12)\) \(\approx\) \(0.497299 - 0.861686i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad431 \( 1 + (395. + 171. i)T \)
good2 \( 1 + (0.419 - 0.816i)T + (-2.32 - 3.25i)T^{2} \)
3 \( 1 + (-0.503 - 4.57i)T + (-8.78 + 1.95i)T^{2} \)
5 \( 1 + (5.01 + 2.34i)T + (15.9 + 19.2i)T^{2} \)
7 \( 1 + (-1.85 - 8.34i)T + (-44.3 + 20.7i)T^{2} \)
11 \( 1 + (5.44 - 3.05i)T + (63.0 - 103. i)T^{2} \)
13 \( 1 + (-5.77 + 2.96i)T + (98.3 - 137. i)T^{2} \)
17 \( 1 + (9.26 + 16.5i)T + (-150. + 246. i)T^{2} \)
19 \( 1 + (-13.6 + 6.39i)T + (230. - 277. i)T^{2} \)
23 \( 1 + (-14.2 - 14.8i)T + (-19.3 + 528. i)T^{2} \)
29 \( 1 + (27.8 - 38.9i)T + (-271. - 795. i)T^{2} \)
31 \( 1 + (-5.59 - 14.6i)T + (-715. + 641. i)T^{2} \)
37 \( 1 + (-40.1 - 10.4i)T + (1.19e3 + 670. i)T^{2} \)
41 \( 1 + (-11.4 + 33.6i)T + (-1.33e3 - 1.02e3i)T^{2} \)
43 \( 1 + (-15.3 + 19.9i)T + (-467. - 1.78e3i)T^{2} \)
47 \( 1 + (-1.80 + 24.6i)T + (-2.18e3 - 321. i)T^{2} \)
53 \( 1 + (54.5 - 3.98i)T + (2.77e3 - 408. i)T^{2} \)
59 \( 1 + (23.8 - 46.3i)T + (-2.02e3 - 2.83e3i)T^{2} \)
61 \( 1 + (17.3 + 40.8i)T + (-2.58e3 + 2.67e3i)T^{2} \)
67 \( 1 + (11.5 + 3.02i)T + (3.91e3 + 2.19e3i)T^{2} \)
71 \( 1 + (4.96 - 67.7i)T + (-4.98e3 - 733. i)T^{2} \)
73 \( 1 + (-29.8 - 45.0i)T + (-2.08e3 + 4.90e3i)T^{2} \)
79 \( 1 + (-20.9 + 69.4i)T + (-5.20e3 - 3.44e3i)T^{2} \)
83 \( 1 + (37.5 - 4.13i)T + (6.72e3 - 1.49e3i)T^{2} \)
89 \( 1 + (-57.9 + 10.6i)T + (7.39e3 - 2.82e3i)T^{2} \)
97 \( 1 + (44.2 - 13.3i)T + (7.84e3 - 5.19e3i)T^{2} \)
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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

−11.46630354294182938352027668414, −10.79457528164002130161054911614, −9.299360450113093874379410834869, −8.961095280024505664791628560485, −8.075914199964639838915809882631, −7.17041203278742969471126459191, −5.55985753653647814566614383373, −4.81858497440193107859139622322, −3.63249306277537770288436100763, −2.73857441789454484382047152202, 0.44245067079298002892072625836, 1.52139626717477113027983122977, 2.83210303467570236739941426198, 4.14286249312453269678193159210, 5.99660512521659565195538918586, 6.71757346241054304041074598313, 7.67901382870521426884651558746, 8.014710838496338964034065098696, 9.521420017147103690302323657144, 10.85039614011264403238531078829

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