Properties

Label 2-931-133.74-c1-0-48
Degree $2$
Conductor $931$
Sign $0.913 + 0.407i$
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

\[\begin{aligned}\Lambda(s)=\mathstrut & 931 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.913 + 0.407i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 931 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.913 + 0.407i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(931\)    =    \(7^{2} \cdot 19\)
Sign: $0.913 + 0.407i$
Analytic conductor: \(7.43407\)
Root analytic conductor: \(2.72654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{931} (606, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 931,\ (\ :1/2),\ 0.913 + 0.407i)\)

Particular Values

\(L(1)\) \(\approx\) \(3.93842 - 0.839477i\)
\(L(\frac12)\) \(\approx\) \(3.93842 - 0.839477i\)
\(L(\frac{3}{2})\) 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

−9.779391156353078276656737870814, −9.148699239495957869334490159050, −8.185723569348237222295746903631, −7.75764605374609261668934844981, −6.58204804248372760284674174096, −5.60294488214995667770131407181, −4.25763890619475400463400735457, −3.55105801616852685997559128149, −2.67259185438021378642036306117, −1.77324919451383477838692930606, 1.63462231734185639520291041377, 3.29379977364942042148502686329, 3.58958616896188215915044747859, 4.75903368363101350916921299218, 5.49693684544583918710580858928, 6.67622966747570022936039514527, 7.59213608371822573506327582661, 8.798549468412680609745565993987, 9.124192063072484505652969134331, 9.762573824255485458944224689612

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