Properties

Label 56.3.k.b
Level 56
Weight 3
Character orbit 56.k
Analytic conductor 1.526
Analytic rank 0
Dimension 2
CM no
Inner twists 2

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Newspace parameters

Level: \( N \) \(=\) \( 56 = 2^{3} \cdot 7 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 56.k (of order \(6\), degree \(2\), minimal)

Newform invariants

Self dual: no
Analytic conductor: \(1.52588948042\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q + 2 \zeta_{6} q^{2} -\zeta_{6} q^{3} + ( -4 + 4 \zeta_{6} ) q^{4} + ( 3 + 3 \zeta_{6} ) q^{5} + ( 2 - 2 \zeta_{6} ) q^{6} + ( -3 + 8 \zeta_{6} ) q^{7} -8 q^{8} + ( 8 - 8 \zeta_{6} ) q^{9} +O(q^{10})\) \( q + 2 \zeta_{6} q^{2} -\zeta_{6} q^{3} + ( -4 + 4 \zeta_{6} ) q^{4} + ( 3 + 3 \zeta_{6} ) q^{5} + ( 2 - 2 \zeta_{6} ) q^{6} + ( -3 + 8 \zeta_{6} ) q^{7} -8 q^{8} + ( 8 - 8 \zeta_{6} ) q^{9} + ( -6 + 12 \zeta_{6} ) q^{10} -17 \zeta_{6} q^{11} + 4 q^{12} + ( 8 - 16 \zeta_{6} ) q^{13} + ( -16 + 10 \zeta_{6} ) q^{14} + ( 3 - 6 \zeta_{6} ) q^{15} -16 \zeta_{6} q^{16} + 25 \zeta_{6} q^{17} + 16 q^{18} + ( 7 - 7 \zeta_{6} ) q^{19} + ( -24 + 12 \zeta_{6} ) q^{20} + ( 8 - 5 \zeta_{6} ) q^{21} + ( 34 - 34 \zeta_{6} ) q^{22} + ( -3 - 3 \zeta_{6} ) q^{23} + 8 \zeta_{6} q^{24} + 2 \zeta_{6} q^{25} + ( 32 - 16 \zeta_{6} ) q^{26} -17 q^{27} + ( -20 - 12 \zeta_{6} ) q^{28} + ( -8 + 16 \zeta_{6} ) q^{29} + ( 12 - 6 \zeta_{6} ) q^{30} + ( -38 + 19 \zeta_{6} ) q^{31} + ( 32 - 32 \zeta_{6} ) q^{32} + ( -17 + 17 \zeta_{6} ) q^{33} + ( -50 + 50 \zeta_{6} ) q^{34} + ( -33 + 39 \zeta_{6} ) q^{35} + 32 \zeta_{6} q^{36} + ( -5 - 5 \zeta_{6} ) q^{37} + 14 q^{38} + ( -16 + 8 \zeta_{6} ) q^{39} + ( -24 - 24 \zeta_{6} ) q^{40} + 26 q^{41} + ( 10 + 6 \zeta_{6} ) q^{42} + 14 q^{43} + 68 q^{44} + ( 48 - 24 \zeta_{6} ) q^{45} + ( 6 - 12 \zeta_{6} ) q^{46} + ( 29 + 29 \zeta_{6} ) q^{47} + ( -16 + 16 \zeta_{6} ) q^{48} + ( -55 + 16 \zeta_{6} ) q^{49} + ( -4 + 4 \zeta_{6} ) q^{50} + ( 25 - 25 \zeta_{6} ) q^{51} + ( 32 + 32 \zeta_{6} ) q^{52} + ( -106 + 53 \zeta_{6} ) q^{53} -34 \zeta_{6} q^{54} + ( 51 - 102 \zeta_{6} ) q^{55} + ( 24 - 64 \zeta_{6} ) q^{56} -7 q^{57} + ( -32 + 16 \zeta_{6} ) q^{58} + 55 \zeta_{6} q^{59} + ( 12 + 12 \zeta_{6} ) q^{60} + ( -13 - 13 \zeta_{6} ) q^{61} + ( -38 - 38 \zeta_{6} ) q^{62} + ( 40 + 24 \zeta_{6} ) q^{63} + 64 q^{64} + ( 72 - 72 \zeta_{6} ) q^{65} -34 q^{66} -17 \zeta_{6} q^{67} -100 q^{68} + ( -3 + 6 \zeta_{6} ) q^{69} + ( -78 + 12 \zeta_{6} ) q^{70} + ( -64 + 64 \zeta_{6} ) q^{72} -119 \zeta_{6} q^{73} + ( 10 - 20 \zeta_{6} ) q^{74} + ( 2 - 2 \zeta_{6} ) q^{75} + 28 \zeta_{6} q^{76} + ( 136 - 85 \zeta_{6} ) q^{77} + ( -16 - 16 \zeta_{6} ) q^{78} + ( -43 - 43 \zeta_{6} ) q^{79} + ( 48 - 96 \zeta_{6} ) q^{80} -55 \zeta_{6} q^{81} + 52 \zeta_{6} q^{82} + 110 q^{83} + ( -12 + 32 \zeta_{6} ) q^{84} + ( -75 + 150 \zeta_{6} ) q^{85} + 28 \zeta_{6} q^{86} + ( 16 - 8 \zeta_{6} ) q^{87} + 136 \zeta_{6} q^{88} + ( -71 + 71 \zeta_{6} ) q^{89} + ( 48 + 48 \zeta_{6} ) q^{90} + ( 104 - 16 \zeta_{6} ) q^{91} + ( 24 - 12 \zeta_{6} ) q^{92} + ( 19 + 19 \zeta_{6} ) q^{93} + ( -58 + 116 \zeta_{6} ) q^{94} + ( 42 - 21 \zeta_{6} ) q^{95} -32 q^{96} -22 q^{97} + ( -32 - 78 \zeta_{6} ) q^{98} -136 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q + 2q^{2} - q^{3} - 4q^{4} + 9q^{5} + 2q^{6} + 2q^{7} - 16q^{8} + 8q^{9} + O(q^{10}) \) \( 2q + 2q^{2} - q^{3} - 4q^{4} + 9q^{5} + 2q^{6} + 2q^{7} - 16q^{8} + 8q^{9} - 17q^{11} + 8q^{12} - 22q^{14} - 16q^{16} + 25q^{17} + 32q^{18} + 7q^{19} - 36q^{20} + 11q^{21} + 34q^{22} - 9q^{23} + 8q^{24} + 2q^{25} + 48q^{26} - 34q^{27} - 52q^{28} + 18q^{30} - 57q^{31} + 32q^{32} - 17q^{33} - 50q^{34} - 27q^{35} + 32q^{36} - 15q^{37} + 28q^{38} - 24q^{39} - 72q^{40} + 52q^{41} + 26q^{42} + 28q^{43} + 136q^{44} + 72q^{45} + 87q^{47} - 16q^{48} - 94q^{49} - 4q^{50} + 25q^{51} + 96q^{52} - 159q^{53} - 34q^{54} - 16q^{56} - 14q^{57} - 48q^{58} + 55q^{59} + 36q^{60} - 39q^{61} - 114q^{62} + 104q^{63} + 128q^{64} + 72q^{65} - 68q^{66} - 17q^{67} - 200q^{68} - 144q^{70} - 64q^{72} - 119q^{73} + 2q^{75} + 28q^{76} + 187q^{77} - 48q^{78} - 129q^{79} - 55q^{81} + 52q^{82} + 220q^{83} + 8q^{84} + 28q^{86} + 24q^{87} + 136q^{88} - 71q^{89} + 144q^{90} + 192q^{91} + 36q^{92} + 57q^{93} + 63q^{95} - 64q^{96} - 44q^{97} - 142q^{98} - 272q^{99} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/56\mathbb{Z}\right)^\times\).

\(n\) \(15\) \(17\) \(29\)
\(\chi(n)\) \(-1\) \(-1 + \zeta_{6}\) \(-1\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
11.1
0.500000 0.866025i
0.500000 + 0.866025i
1.00000 1.73205i −0.500000 + 0.866025i −2.00000 3.46410i 4.50000 2.59808i 1.00000 + 1.73205i 1.00000 6.92820i −8.00000 4.00000 + 6.92820i 10.3923i
51.1 1.00000 + 1.73205i −0.500000 0.866025i −2.00000 + 3.46410i 4.50000 + 2.59808i 1.00000 1.73205i 1.00000 + 6.92820i −8.00000 4.00000 6.92820i 10.3923i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
56.k odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 56.3.k.b yes 2
4.b odd 2 1 224.3.o.b 2
7.b odd 2 1 392.3.k.c 2
7.c even 3 1 56.3.k.a 2
7.c even 3 1 392.3.g.e 2
7.d odd 6 1 392.3.g.d 2
7.d odd 6 1 392.3.k.a 2
8.b even 2 1 224.3.o.a 2
8.d odd 2 1 56.3.k.a 2
28.f even 6 1 1568.3.g.f 2
28.g odd 6 1 224.3.o.a 2
28.g odd 6 1 1568.3.g.c 2
56.e even 2 1 392.3.k.a 2
56.j odd 6 1 1568.3.g.f 2
56.k odd 6 1 inner 56.3.k.b yes 2
56.k odd 6 1 392.3.g.e 2
56.m even 6 1 392.3.g.d 2
56.m even 6 1 392.3.k.c 2
56.p even 6 1 224.3.o.b 2
56.p even 6 1 1568.3.g.c 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
56.3.k.a 2 7.c even 3 1
56.3.k.a 2 8.d odd 2 1
56.3.k.b yes 2 1.a even 1 1 trivial
56.3.k.b yes 2 56.k odd 6 1 inner
224.3.o.a 2 8.b even 2 1
224.3.o.a 2 28.g odd 6 1
224.3.o.b 2 4.b odd 2 1
224.3.o.b 2 56.p even 6 1
392.3.g.d 2 7.d odd 6 1
392.3.g.d 2 56.m even 6 1
392.3.g.e 2 7.c even 3 1
392.3.g.e 2 56.k odd 6 1
392.3.k.a 2 7.d odd 6 1
392.3.k.a 2 56.e even 2 1
392.3.k.c 2 7.b odd 2 1
392.3.k.c 2 56.m even 6 1
1568.3.g.c 2 28.g odd 6 1
1568.3.g.c 2 56.p even 6 1
1568.3.g.f 2 28.f even 6 1
1568.3.g.f 2 56.j odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(56, [\chi])\):

\( T_{3}^{2} + T_{3} + 1 \)
\( T_{5}^{2} - 9 T_{5} + 27 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 1 - 2 T + 4 T^{2} \)
$3$ \( 1 + T - 8 T^{2} + 9 T^{3} + 81 T^{4} \)
$5$ \( 1 - 9 T + 52 T^{2} - 225 T^{3} + 625 T^{4} \)
$7$ \( 1 - 2 T + 49 T^{2} \)
$11$ \( 1 + 17 T + 168 T^{2} + 2057 T^{3} + 14641 T^{4} \)
$13$ \( ( 1 - 22 T + 169 T^{2} )( 1 + 22 T + 169 T^{2} ) \)
$17$ \( 1 - 25 T + 336 T^{2} - 7225 T^{3} + 83521 T^{4} \)
$19$ \( 1 - 7 T - 312 T^{2} - 2527 T^{3} + 130321 T^{4} \)
$23$ \( 1 + 9 T + 556 T^{2} + 4761 T^{3} + 279841 T^{4} \)
$29$ \( 1 - 1490 T^{2} + 707281 T^{4} \)
$31$ \( 1 + 57 T + 2044 T^{2} + 54777 T^{3} + 923521 T^{4} \)
$37$ \( 1 + 15 T + 1444 T^{2} + 20535 T^{3} + 1874161 T^{4} \)
$41$ \( ( 1 - 26 T + 1681 T^{2} )^{2} \)
$43$ \( ( 1 - 14 T + 1849 T^{2} )^{2} \)
$47$ \( 1 - 87 T + 4732 T^{2} - 192183 T^{3} + 4879681 T^{4} \)
$53$ \( ( 1 + 53 T )^{2}( 1 + 53 T + 2809 T^{2} ) \)
$59$ \( 1 - 55 T - 456 T^{2} - 191455 T^{3} + 12117361 T^{4} \)
$61$ \( 1 + 39 T + 4228 T^{2} + 145119 T^{3} + 13845841 T^{4} \)
$67$ \( 1 + 17 T - 4200 T^{2} + 76313 T^{3} + 20151121 T^{4} \)
$71$ \( ( 1 - 71 T )^{2}( 1 + 71 T )^{2} \)
$73$ \( 1 + 119 T + 8832 T^{2} + 634151 T^{3} + 28398241 T^{4} \)
$79$ \( 1 + 129 T + 11788 T^{2} + 805089 T^{3} + 38950081 T^{4} \)
$83$ \( ( 1 - 110 T + 6889 T^{2} )^{2} \)
$89$ \( 1 + 71 T - 2880 T^{2} + 562391 T^{3} + 62742241 T^{4} \)
$97$ \( ( 1 + 22 T + 9409 T^{2} )^{2} \)
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