Properties

Label 27.3.d.a
Level $27$
Weight $3$
Character orbit 27.d
Analytic conductor $0.736$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 27 = 3^{3} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 27.d (of order \(6\), degree \(2\), not minimal)

Newform invariants

Self dual: no
Analytic conductor: \(0.735696713773\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Defining polynomial: \(x^{2} - x + 1\)
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 9)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( 1 + \zeta_{6} ) q^{2} -\zeta_{6} q^{4} + ( -4 + 2 \zeta_{6} ) q^{5} + ( -2 + 2 \zeta_{6} ) q^{7} + ( 5 - 10 \zeta_{6} ) q^{8} +O(q^{10})\) \( q + ( 1 + \zeta_{6} ) q^{2} -\zeta_{6} q^{4} + ( -4 + 2 \zeta_{6} ) q^{5} + ( -2 + 2 \zeta_{6} ) q^{7} + ( 5 - 10 \zeta_{6} ) q^{8} -6 q^{10} + ( 1 + \zeta_{6} ) q^{11} + 4 \zeta_{6} q^{13} + ( -4 + 2 \zeta_{6} ) q^{14} + ( 11 - 11 \zeta_{6} ) q^{16} + ( -9 + 18 \zeta_{6} ) q^{17} + 11 q^{19} + ( 2 + 2 \zeta_{6} ) q^{20} + 3 \zeta_{6} q^{22} + ( 32 - 16 \zeta_{6} ) q^{23} + ( -13 + 13 \zeta_{6} ) q^{25} + ( -4 + 8 \zeta_{6} ) q^{26} + 2 q^{28} + ( -26 - 26 \zeta_{6} ) q^{29} -32 \zeta_{6} q^{31} + ( -18 + 9 \zeta_{6} ) q^{32} + ( -27 + 27 \zeta_{6} ) q^{34} + ( 4 - 8 \zeta_{6} ) q^{35} -34 q^{37} + ( 11 + 11 \zeta_{6} ) q^{38} + 30 \zeta_{6} q^{40} + ( 14 - 7 \zeta_{6} ) q^{41} + ( 61 - 61 \zeta_{6} ) q^{43} + ( 1 - 2 \zeta_{6} ) q^{44} + 48 q^{46} + ( 28 + 28 \zeta_{6} ) q^{47} + 45 \zeta_{6} q^{49} + ( -26 + 13 \zeta_{6} ) q^{50} + ( 4 - 4 \zeta_{6} ) q^{52} -6 q^{55} + ( 10 + 10 \zeta_{6} ) q^{56} -78 \zeta_{6} q^{58} + ( -58 + 29 \zeta_{6} ) q^{59} + ( -56 + 56 \zeta_{6} ) q^{61} + ( 32 - 64 \zeta_{6} ) q^{62} -71 q^{64} + ( -8 - 8 \zeta_{6} ) q^{65} + 31 \zeta_{6} q^{67} + ( 18 - 9 \zeta_{6} ) q^{68} + ( 12 - 12 \zeta_{6} ) q^{70} + ( 18 - 36 \zeta_{6} ) q^{71} + 65 q^{73} + ( -34 - 34 \zeta_{6} ) q^{74} -11 \zeta_{6} q^{76} + ( -4 + 2 \zeta_{6} ) q^{77} + ( -38 + 38 \zeta_{6} ) q^{79} + ( -22 + 44 \zeta_{6} ) q^{80} + 21 q^{82} + ( 28 + 28 \zeta_{6} ) q^{83} -54 \zeta_{6} q^{85} + ( 122 - 61 \zeta_{6} ) q^{86} + ( 15 - 15 \zeta_{6} ) q^{88} + ( -72 + 144 \zeta_{6} ) q^{89} -8 q^{91} + ( -16 - 16 \zeta_{6} ) q^{92} + 84 \zeta_{6} q^{94} + ( -44 + 22 \zeta_{6} ) q^{95} + ( 115 - 115 \zeta_{6} ) q^{97} + ( -45 + 90 \zeta_{6} ) q^{98} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 3 q^{2} - q^{4} - 6 q^{5} - 2 q^{7} + O(q^{10}) \) \( 2 q + 3 q^{2} - q^{4} - 6 q^{5} - 2 q^{7} - 12 q^{10} + 3 q^{11} + 4 q^{13} - 6 q^{14} + 11 q^{16} + 22 q^{19} + 6 q^{20} + 3 q^{22} + 48 q^{23} - 13 q^{25} + 4 q^{28} - 78 q^{29} - 32 q^{31} - 27 q^{32} - 27 q^{34} - 68 q^{37} + 33 q^{38} + 30 q^{40} + 21 q^{41} + 61 q^{43} + 96 q^{46} + 84 q^{47} + 45 q^{49} - 39 q^{50} + 4 q^{52} - 12 q^{55} + 30 q^{56} - 78 q^{58} - 87 q^{59} - 56 q^{61} - 142 q^{64} - 24 q^{65} + 31 q^{67} + 27 q^{68} + 12 q^{70} + 130 q^{73} - 102 q^{74} - 11 q^{76} - 6 q^{77} - 38 q^{79} + 42 q^{82} + 84 q^{83} - 54 q^{85} + 183 q^{86} + 15 q^{88} - 16 q^{91} - 48 q^{92} + 84 q^{94} - 66 q^{95} + 115 q^{97} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/27\mathbb{Z}\right)^\times\).

\(n\) \(2\)
\(\chi(n)\) \(\zeta_{6}\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
8.1
0.500000 + 0.866025i
0.500000 0.866025i
1.50000 + 0.866025i 0 −0.500000 0.866025i −3.00000 + 1.73205i 0 −1.00000 + 1.73205i 8.66025i 0 −6.00000
17.1 1.50000 0.866025i 0 −0.500000 + 0.866025i −3.00000 1.73205i 0 −1.00000 1.73205i 8.66025i 0 −6.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
9.d odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 27.3.d.a 2
3.b odd 2 1 9.3.d.a 2
4.b odd 2 1 432.3.q.a 2
5.b even 2 1 675.3.j.a 2
5.c odd 4 2 675.3.i.a 4
8.b even 2 1 1728.3.q.a 2
8.d odd 2 1 1728.3.q.b 2
9.c even 3 1 9.3.d.a 2
9.c even 3 1 81.3.b.a 2
9.d odd 6 1 inner 27.3.d.a 2
9.d odd 6 1 81.3.b.a 2
12.b even 2 1 144.3.q.a 2
15.d odd 2 1 225.3.j.a 2
15.e even 4 2 225.3.i.a 4
21.c even 2 1 441.3.r.a 2
21.g even 6 1 441.3.j.b 2
21.g even 6 1 441.3.n.a 2
21.h odd 6 1 441.3.j.a 2
21.h odd 6 1 441.3.n.b 2
24.f even 2 1 576.3.q.a 2
24.h odd 2 1 576.3.q.b 2
36.f odd 6 1 144.3.q.a 2
36.f odd 6 1 1296.3.e.a 2
36.h even 6 1 432.3.q.a 2
36.h even 6 1 1296.3.e.a 2
45.h odd 6 1 675.3.j.a 2
45.j even 6 1 225.3.j.a 2
45.k odd 12 2 225.3.i.a 4
45.l even 12 2 675.3.i.a 4
63.g even 3 1 441.3.j.a 2
63.h even 3 1 441.3.n.b 2
63.k odd 6 1 441.3.j.b 2
63.l odd 6 1 441.3.r.a 2
63.t odd 6 1 441.3.n.a 2
72.j odd 6 1 1728.3.q.a 2
72.l even 6 1 1728.3.q.b 2
72.n even 6 1 576.3.q.b 2
72.p odd 6 1 576.3.q.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
9.3.d.a 2 3.b odd 2 1
9.3.d.a 2 9.c even 3 1
27.3.d.a 2 1.a even 1 1 trivial
27.3.d.a 2 9.d odd 6 1 inner
81.3.b.a 2 9.c even 3 1
81.3.b.a 2 9.d odd 6 1
144.3.q.a 2 12.b even 2 1
144.3.q.a 2 36.f odd 6 1
225.3.i.a 4 15.e even 4 2
225.3.i.a 4 45.k odd 12 2
225.3.j.a 2 15.d odd 2 1
225.3.j.a 2 45.j even 6 1
432.3.q.a 2 4.b odd 2 1
432.3.q.a 2 36.h even 6 1
441.3.j.a 2 21.h odd 6 1
441.3.j.a 2 63.g even 3 1
441.3.j.b 2 21.g even 6 1
441.3.j.b 2 63.k odd 6 1
441.3.n.a 2 21.g even 6 1
441.3.n.a 2 63.t odd 6 1
441.3.n.b 2 21.h odd 6 1
441.3.n.b 2 63.h even 3 1
441.3.r.a 2 21.c even 2 1
441.3.r.a 2 63.l odd 6 1
576.3.q.a 2 24.f even 2 1
576.3.q.a 2 72.p odd 6 1
576.3.q.b 2 24.h odd 2 1
576.3.q.b 2 72.n even 6 1
675.3.i.a 4 5.c odd 4 2
675.3.i.a 4 45.l even 12 2
675.3.j.a 2 5.b even 2 1
675.3.j.a 2 45.h odd 6 1
1296.3.e.a 2 36.f odd 6 1
1296.3.e.a 2 36.h even 6 1
1728.3.q.a 2 8.b even 2 1
1728.3.q.a 2 72.j odd 6 1
1728.3.q.b 2 8.d odd 2 1
1728.3.q.b 2 72.l even 6 1

Hecke kernels

This newform subspace is the entire newspace \(S_{3}^{\mathrm{new}}(27, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 3 - 3 T + T^{2} \)
$3$ \( T^{2} \)
$5$ \( 12 + 6 T + T^{2} \)
$7$ \( 4 + 2 T + T^{2} \)
$11$ \( 3 - 3 T + T^{2} \)
$13$ \( 16 - 4 T + T^{2} \)
$17$ \( 243 + T^{2} \)
$19$ \( ( -11 + T )^{2} \)
$23$ \( 768 - 48 T + T^{2} \)
$29$ \( 2028 + 78 T + T^{2} \)
$31$ \( 1024 + 32 T + T^{2} \)
$37$ \( ( 34 + T )^{2} \)
$41$ \( 147 - 21 T + T^{2} \)
$43$ \( 3721 - 61 T + T^{2} \)
$47$ \( 2352 - 84 T + T^{2} \)
$53$ \( T^{2} \)
$59$ \( 2523 + 87 T + T^{2} \)
$61$ \( 3136 + 56 T + T^{2} \)
$67$ \( 961 - 31 T + T^{2} \)
$71$ \( 972 + T^{2} \)
$73$ \( ( -65 + T )^{2} \)
$79$ \( 1444 + 38 T + T^{2} \)
$83$ \( 2352 - 84 T + T^{2} \)
$89$ \( 15552 + T^{2} \)
$97$ \( 13225 - 115 T + T^{2} \)
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