Properties

Label 2-431-431.367-c2-0-36
Degree $2$
Conductor $431$
Sign $0.597 - 0.802i$
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  + (0.655 + 1.27i)2-s + (−0.309 + 2.81i)3-s + (1.13 − 1.57i)4-s + (−3.99 + 1.87i)5-s + (−3.79 + 1.45i)6-s + (2.49 − 11.2i)7-s + (8.43 + 1.24i)8-s + (0.966 + 0.215i)9-s + (−5.01 − 3.87i)10-s + (−7.78 − 4.36i)11-s + (4.09 + 3.66i)12-s + (18.9 + 9.72i)13-s + (15.9 − 4.16i)14-s + (−4.03 − 11.8i)15-s + (1.43 + 4.21i)16-s + (4.96 − 8.84i)17-s + ⋯
L(s)  = 1  + (0.327 + 0.637i)2-s + (−0.103 + 0.937i)3-s + (0.282 − 0.394i)4-s + (−0.799 + 0.374i)5-s + (−0.631 + 0.241i)6-s + (0.356 − 1.60i)7-s + (1.05 + 0.155i)8-s + (0.107 + 0.0239i)9-s + (−0.501 − 0.387i)10-s + (−0.707 − 0.397i)11-s + (0.341 + 0.305i)12-s + (1.45 + 0.748i)13-s + (1.13 − 0.297i)14-s + (−0.269 − 0.788i)15-s + (0.0899 + 0.263i)16-s + (0.291 − 0.520i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 431 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.597 - 0.802i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 431 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.597 - 0.802i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(431\)
Sign: $0.597 - 0.802i$
Analytic conductor: \(11.7438\)
Root analytic conductor: \(3.42693\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{431} (367, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 431,\ (\ :1),\ 0.597 - 0.802i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.00982 + 1.00925i\)
\(L(\frac12)\) \(\approx\) \(2.00982 + 1.00925i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad431 \( 1 + (313. + 295. i)T \)
good2 \( 1 + (-0.655 - 1.27i)T + (-2.32 + 3.25i)T^{2} \)
3 \( 1 + (0.309 - 2.81i)T + (-8.78 - 1.95i)T^{2} \)
5 \( 1 + (3.99 - 1.87i)T + (15.9 - 19.2i)T^{2} \)
7 \( 1 + (-2.49 + 11.2i)T + (-44.3 - 20.7i)T^{2} \)
11 \( 1 + (7.78 + 4.36i)T + (63.0 + 103. i)T^{2} \)
13 \( 1 + (-18.9 - 9.72i)T + (98.3 + 137. i)T^{2} \)
17 \( 1 + (-4.96 + 8.84i)T + (-150. - 246. i)T^{2} \)
19 \( 1 + (-23.6 - 11.0i)T + (230. + 277. i)T^{2} \)
23 \( 1 + (0.0572 - 0.0593i)T + (-19.3 - 528. i)T^{2} \)
29 \( 1 + (3.01 + 4.22i)T + (-271. + 795. i)T^{2} \)
31 \( 1 + (-8.48 + 22.1i)T + (-715. - 641. i)T^{2} \)
37 \( 1 + (-16.0 + 4.20i)T + (1.19e3 - 670. i)T^{2} \)
41 \( 1 + (17.0 + 49.9i)T + (-1.33e3 + 1.02e3i)T^{2} \)
43 \( 1 + (-30.6 - 39.6i)T + (-467. + 1.78e3i)T^{2} \)
47 \( 1 + (-5.84 - 79.8i)T + (-2.18e3 + 321. i)T^{2} \)
53 \( 1 + (31.4 + 2.30i)T + (2.77e3 + 408. i)T^{2} \)
59 \( 1 + (17.8 + 34.6i)T + (-2.02e3 + 2.83e3i)T^{2} \)
61 \( 1 + (-25.2 + 59.3i)T + (-2.58e3 - 2.67e3i)T^{2} \)
67 \( 1 + (-41.9 + 10.9i)T + (3.91e3 - 2.19e3i)T^{2} \)
71 \( 1 + (-5.78 - 79.0i)T + (-4.98e3 + 733. i)T^{2} \)
73 \( 1 + (-32.4 + 49.0i)T + (-2.08e3 - 4.90e3i)T^{2} \)
79 \( 1 + (-0.563 - 1.87i)T + (-5.20e3 + 3.44e3i)T^{2} \)
83 \( 1 + (27.0 + 2.97i)T + (6.72e3 + 1.49e3i)T^{2} \)
89 \( 1 + (45.7 + 8.44i)T + (7.39e3 + 2.82e3i)T^{2} \)
97 \( 1 + (-175. - 52.8i)T + (7.84e3 + 5.19e3i)T^{2} \)
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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

−11.11498716096385543396195568249, −10.35580356778599808445011139929, −9.518425888897109157191242350004, −7.80992832771081798070466132773, −7.51797505351322667416812988050, −6.38162071102281087456244906017, −5.20646517341087110923733835250, −4.21992200847619011892767436596, −3.57784774904295415000032410493, −1.15891738718577041216107493835, 1.24762802872776713330514184796, 2.46491847098501666984979577588, 3.57039396364023630224419536229, 4.95193236338569908079369303210, 6.02151366123723915826499177017, 7.29237400532503913817910122881, 8.075723180138593860047502875847, 8.629683083065234740912829289843, 10.15486812796991951007780107848, 11.30249383086948403854533194677

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