Properties

Label 1386.2.k.p
Level $1386$
Weight $2$
Character orbit 1386.k
Analytic conductor $11.067$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 1386 = 2 \cdot 3^{2} \cdot 7 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1386.k (of order \(3\), degree \(2\), minimal)

Newform invariants

Self dual: no
Analytic conductor: \(11.0672657201\)
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: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{6} q^{2} + ( -1 + \zeta_{6} ) q^{4} + 3 \zeta_{6} q^{5} + ( -2 + 3 \zeta_{6} ) q^{7} - q^{8} +O(q^{10})\) \( q + \zeta_{6} q^{2} + ( -1 + \zeta_{6} ) q^{4} + 3 \zeta_{6} q^{5} + ( -2 + 3 \zeta_{6} ) q^{7} - q^{8} + ( -3 + 3 \zeta_{6} ) q^{10} + ( -1 + \zeta_{6} ) q^{11} + 2 q^{13} + ( -3 + \zeta_{6} ) q^{14} -\zeta_{6} q^{16} + ( -3 + 3 \zeta_{6} ) q^{17} -2 \zeta_{6} q^{19} -3 q^{20} - q^{22} + 3 \zeta_{6} q^{23} + ( -4 + 4 \zeta_{6} ) q^{25} + 2 \zeta_{6} q^{26} + ( -1 - 2 \zeta_{6} ) q^{28} + ( -2 + 2 \zeta_{6} ) q^{31} + ( 1 - \zeta_{6} ) q^{32} -3 q^{34} + ( -9 + 3 \zeta_{6} ) q^{35} -8 \zeta_{6} q^{37} + ( 2 - 2 \zeta_{6} ) q^{38} -3 \zeta_{6} q^{40} + 9 q^{41} -4 q^{43} -\zeta_{6} q^{44} + ( -3 + 3 \zeta_{6} ) q^{46} + 3 \zeta_{6} q^{47} + ( -5 - 3 \zeta_{6} ) q^{49} -4 q^{50} + ( -2 + 2 \zeta_{6} ) q^{52} + ( 6 - 6 \zeta_{6} ) q^{53} -3 q^{55} + ( 2 - 3 \zeta_{6} ) q^{56} + ( 6 - 6 \zeta_{6} ) q^{59} -5 \zeta_{6} q^{61} -2 q^{62} + q^{64} + 6 \zeta_{6} q^{65} + ( -11 + 11 \zeta_{6} ) q^{67} -3 \zeta_{6} q^{68} + ( -3 - 6 \zeta_{6} ) q^{70} + ( -2 + 2 \zeta_{6} ) q^{73} + ( 8 - 8 \zeta_{6} ) q^{74} + 2 q^{76} + ( -1 - 2 \zeta_{6} ) q^{77} + 13 \zeta_{6} q^{79} + ( 3 - 3 \zeta_{6} ) q^{80} + 9 \zeta_{6} q^{82} -9 q^{83} -9 q^{85} -4 \zeta_{6} q^{86} + ( 1 - \zeta_{6} ) q^{88} + 12 \zeta_{6} q^{89} + ( -4 + 6 \zeta_{6} ) q^{91} -3 q^{92} + ( -3 + 3 \zeta_{6} ) q^{94} + ( 6 - 6 \zeta_{6} ) q^{95} + 5 q^{97} + ( 3 - 8 \zeta_{6} ) q^{98} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q + q^{2} - q^{4} + 3q^{5} - q^{7} - 2q^{8} + O(q^{10}) \) \( 2q + q^{2} - q^{4} + 3q^{5} - q^{7} - 2q^{8} - 3q^{10} - q^{11} + 4q^{13} - 5q^{14} - q^{16} - 3q^{17} - 2q^{19} - 6q^{20} - 2q^{22} + 3q^{23} - 4q^{25} + 2q^{26} - 4q^{28} - 2q^{31} + q^{32} - 6q^{34} - 15q^{35} - 8q^{37} + 2q^{38} - 3q^{40} + 18q^{41} - 8q^{43} - q^{44} - 3q^{46} + 3q^{47} - 13q^{49} - 8q^{50} - 2q^{52} + 6q^{53} - 6q^{55} + q^{56} + 6q^{59} - 5q^{61} - 4q^{62} + 2q^{64} + 6q^{65} - 11q^{67} - 3q^{68} - 12q^{70} - 2q^{73} + 8q^{74} + 4q^{76} - 4q^{77} + 13q^{79} + 3q^{80} + 9q^{82} - 18q^{83} - 18q^{85} - 4q^{86} + q^{88} + 12q^{89} - 2q^{91} - 6q^{92} - 3q^{94} + 6q^{95} + 10q^{97} - 2q^{98} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1386\mathbb{Z}\right)^\times\).

\(n\) \(155\) \(199\) \(1135\)
\(\chi(n)\) \(1\) \(-\zeta_{6}\) \(1\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
793.1
0.500000 0.866025i
0.500000 + 0.866025i
0.500000 0.866025i 0 −0.500000 0.866025i 1.50000 2.59808i 0 −0.500000 2.59808i −1.00000 0 −1.50000 2.59808i
991.1 0.500000 + 0.866025i 0 −0.500000 + 0.866025i 1.50000 + 2.59808i 0 −0.500000 + 2.59808i −1.00000 0 −1.50000 + 2.59808i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1386.2.k.p yes 2
3.b odd 2 1 1386.2.k.b 2
7.c even 3 1 inner 1386.2.k.p yes 2
7.c even 3 1 9702.2.a.c 1
7.d odd 6 1 9702.2.a.z 1
21.g even 6 1 9702.2.a.bc 1
21.h odd 6 1 1386.2.k.b 2
21.h odd 6 1 9702.2.a.cd 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1386.2.k.b 2 3.b odd 2 1
1386.2.k.b 2 21.h odd 6 1
1386.2.k.p yes 2 1.a even 1 1 trivial
1386.2.k.p yes 2 7.c even 3 1 inner
9702.2.a.c 1 7.c even 3 1
9702.2.a.z 1 7.d odd 6 1
9702.2.a.bc 1 21.g even 6 1
9702.2.a.cd 1 21.h odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1386, [\chi])\):

\( T_{5}^{2} - 3 T_{5} + 9 \)
\( T_{13} - 2 \)
\( T_{17}^{2} + 3 T_{17} + 9 \)
\( T_{23}^{2} - 3 T_{23} + 9 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 1 - T + T^{2} \)
$3$ \( T^{2} \)
$5$ \( 9 - 3 T + T^{2} \)
$7$ \( 7 + T + T^{2} \)
$11$ \( 1 + T + T^{2} \)
$13$ \( ( -2 + T )^{2} \)
$17$ \( 9 + 3 T + T^{2} \)
$19$ \( 4 + 2 T + T^{2} \)
$23$ \( 9 - 3 T + T^{2} \)
$29$ \( T^{2} \)
$31$ \( 4 + 2 T + T^{2} \)
$37$ \( 64 + 8 T + T^{2} \)
$41$ \( ( -9 + T )^{2} \)
$43$ \( ( 4 + T )^{2} \)
$47$ \( 9 - 3 T + T^{2} \)
$53$ \( 36 - 6 T + T^{2} \)
$59$ \( 36 - 6 T + T^{2} \)
$61$ \( 25 + 5 T + T^{2} \)
$67$ \( 121 + 11 T + T^{2} \)
$71$ \( T^{2} \)
$73$ \( 4 + 2 T + T^{2} \)
$79$ \( 169 - 13 T + T^{2} \)
$83$ \( ( 9 + T )^{2} \)
$89$ \( 144 - 12 T + T^{2} \)
$97$ \( ( -5 + T )^{2} \)
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