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Properties

Label 2-91-7.2-c1-0-6
Degree $2$
Conductor $91$
Sign $0.386 + 0.922i$
Analytic cond. $0.726638$
Root an. cond. $0.852431$
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  + (1.30 − 2.26i)2-s + (1.11 + 1.93i)3-s + (−2.42 − 4.20i)4-s + (−1.11 + 1.93i)5-s + 5.85·6-s + (−2 − 1.73i)7-s − 7.47·8-s + (−1 + 1.73i)9-s + (2.92 + 5.06i)10-s + (1.5 + 2.59i)11-s + (5.42 − 9.39i)12-s − 13-s + (−6.54 + 2.26i)14-s − 5.00·15-s + (−4.92 + 8.53i)16-s + (−0.736 − 1.27i)17-s + ⋯
L(s)  = 1  + (0.925 − 1.60i)2-s + (0.645 + 1.11i)3-s + (−1.21 − 2.10i)4-s + (−0.499 + 0.866i)5-s + 2.38·6-s + (−0.755 − 0.654i)7-s − 2.64·8-s + (−0.333 + 0.577i)9-s + (0.925 + 1.60i)10-s + (0.452 + 0.783i)11-s + (1.56 − 2.71i)12-s − 0.277·13-s + (−1.74 + 0.605i)14-s − 1.29·15-s + (−1.23 + 2.13i)16-s + (−0.178 − 0.309i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.386 + 0.922i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.386 + 0.922i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(91\)    =    \(7 \cdot 13\)
Sign: $0.386 + 0.922i$
Analytic conductor: \(0.726638\)
Root analytic conductor: \(0.852431\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{91} (79, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 91,\ (\ :1/2),\ 0.386 + 0.922i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.23124 - 0.819000i\)
\(L(\frac12)\) \(\approx\) \(1.23124 - 0.819000i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (2 + 1.73i)T \)
13 \( 1 + T \)
good2 \( 1 + (-1.30 + 2.26i)T + (-1 - 1.73i)T^{2} \)
3 \( 1 + (-1.11 - 1.93i)T + (-1.5 + 2.59i)T^{2} \)
5 \( 1 + (1.11 - 1.93i)T + (-2.5 - 4.33i)T^{2} \)
11 \( 1 + (-1.5 - 2.59i)T + (-5.5 + 9.52i)T^{2} \)
17 \( 1 + (0.736 + 1.27i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (1.5 - 2.59i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-4.11 + 7.13i)T + (-11.5 - 19.9i)T^{2} \)
29 \( 1 - 4.47T + 29T^{2} \)
31 \( 1 + (2.5 + 4.33i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 + (2.35 - 4.07i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + 4.47T + 41T^{2} \)
43 \( 1 + 8T + 43T^{2} \)
47 \( 1 + (-3.73 + 6.47i)T + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + (-3.73 - 6.47i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (-0.736 - 1.27i)T + (-29.5 + 51.0i)T^{2} \)
61 \( 1 + (1.5 - 2.59i)T + (-30.5 - 52.8i)T^{2} \)
67 \( 1 + (-1.5 - 2.59i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + 8.94T + 71T^{2} \)
73 \( 1 + (-1.35 - 2.34i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (-1.35 + 2.34i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 + (1.11 - 1.93i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 - 9.41T + 97T^{2} \)
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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

−13.89616788215796578725131254382, −12.75344849804855770208887521365, −11.71423185081363697482551012281, −10.41507271308888056682771179061, −10.19511879307132675294626325601, −9.025745998523202722389118705428, −6.77337655772861857255230814779, −4.64406321105409139521068003200, −3.77734419038093641113834944118, −2.82081953332938905818375982573, 3.35327604878179764201177913968, 5.05436121462349775984850677814, 6.37522657177174766914774324039, 7.28707580737416211507804133607, 8.458333016419311493913696830101, 8.946273652550477929618178825074, 11.91510771744855902170491470600, 12.76409423261741952593782406923, 13.30654486884255639490446195010, 14.20626976383485173222061194435

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