Properties

Label 864.2.r.a
Level 864
Weight 2
Character orbit 864.r
Analytic conductor 6.899
Analytic rank 0
Dimension 4
CM no
Inner twists 4

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Newspace parameters

Level: \( N \) = \( 864 = 2^{5} \cdot 3^{3} \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 864.r (of order \(6\), degree \(2\), not minimal)

Newform invariants

Self dual: no
Analytic conductor: \(6.89907473464\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{12})\)
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 72)
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 \(\zeta_{12}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 2 \zeta_{12} q^{5} + 4 \zeta_{12}^{2} q^{7} +O(q^{10})\) \( q + 2 \zeta_{12} q^{5} + 4 \zeta_{12}^{2} q^{7} + ( 3 \zeta_{12} - 3 \zeta_{12}^{3} ) q^{11} + 2 \zeta_{12} q^{13} -5 q^{17} + \zeta_{12}^{3} q^{19} + ( -2 + 2 \zeta_{12}^{2} ) q^{23} -\zeta_{12}^{2} q^{25} + ( -4 + 4 \zeta_{12}^{2} ) q^{31} + 8 \zeta_{12}^{3} q^{35} -2 \zeta_{12}^{3} q^{37} + ( -5 + 5 \zeta_{12}^{2} ) q^{41} + ( 11 \zeta_{12} - 11 \zeta_{12}^{3} ) q^{43} + 6 \zeta_{12}^{2} q^{47} + ( -9 + 9 \zeta_{12}^{2} ) q^{49} + 6 q^{55} -\zeta_{12} q^{59} + ( 12 \zeta_{12} - 12 \zeta_{12}^{3} ) q^{61} + 4 \zeta_{12}^{2} q^{65} -3 \zeta_{12} q^{67} -6 q^{71} + 9 q^{73} + 12 \zeta_{12} q^{77} -14 \zeta_{12}^{2} q^{79} + ( 4 \zeta_{12} - 4 \zeta_{12}^{3} ) q^{83} -10 \zeta_{12} q^{85} + 14 q^{89} + 8 \zeta_{12}^{3} q^{91} + ( -2 + 2 \zeta_{12}^{2} ) q^{95} -\zeta_{12}^{2} q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4q + 8q^{7} + O(q^{10}) \) \( 4q + 8q^{7} - 20q^{17} - 4q^{23} - 2q^{25} - 8q^{31} - 10q^{41} + 12q^{47} - 18q^{49} + 24q^{55} + 8q^{65} - 24q^{71} + 36q^{73} - 28q^{79} + 56q^{89} - 4q^{95} - 2q^{97} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/864\mathbb{Z}\right)^\times\).

\(n\) \(325\) \(353\) \(703\)
\(\chi(n)\) \(-1\) \(-1 + \zeta_{12}^{2}\) \(1\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
145.1
−0.866025 0.500000i
0.866025 + 0.500000i
−0.866025 + 0.500000i
0.866025 0.500000i
0 0 0 −1.73205 1.00000i 0 2.00000 + 3.46410i 0 0 0
145.2 0 0 0 1.73205 + 1.00000i 0 2.00000 + 3.46410i 0 0 0
721.1 0 0 0 −1.73205 + 1.00000i 0 2.00000 3.46410i 0 0 0
721.2 0 0 0 1.73205 1.00000i 0 2.00000 3.46410i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.b even 2 1 inner
9.c even 3 1 inner
72.n even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 864.2.r.a 4
3.b odd 2 1 288.2.r.a 4
4.b odd 2 1 216.2.n.a 4
8.b even 2 1 inner 864.2.r.a 4
8.d odd 2 1 216.2.n.a 4
9.c even 3 1 inner 864.2.r.a 4
9.c even 3 1 2592.2.d.a 2
9.d odd 6 1 288.2.r.a 4
9.d odd 6 1 2592.2.d.b 2
12.b even 2 1 72.2.n.a 4
24.f even 2 1 72.2.n.a 4
24.h odd 2 1 288.2.r.a 4
36.f odd 6 1 216.2.n.a 4
36.f odd 6 1 648.2.d.a 2
36.h even 6 1 72.2.n.a 4
36.h even 6 1 648.2.d.d 2
72.j odd 6 1 288.2.r.a 4
72.j odd 6 1 2592.2.d.b 2
72.l even 6 1 72.2.n.a 4
72.l even 6 1 648.2.d.d 2
72.n even 6 1 inner 864.2.r.a 4
72.n even 6 1 2592.2.d.a 2
72.p odd 6 1 216.2.n.a 4
72.p odd 6 1 648.2.d.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
72.2.n.a 4 12.b even 2 1
72.2.n.a 4 24.f even 2 1
72.2.n.a 4 36.h even 6 1
72.2.n.a 4 72.l even 6 1
216.2.n.a 4 4.b odd 2 1
216.2.n.a 4 8.d odd 2 1
216.2.n.a 4 36.f odd 6 1
216.2.n.a 4 72.p odd 6 1
288.2.r.a 4 3.b odd 2 1
288.2.r.a 4 9.d odd 6 1
288.2.r.a 4 24.h odd 2 1
288.2.r.a 4 72.j odd 6 1
648.2.d.a 2 36.f odd 6 1
648.2.d.a 2 72.p odd 6 1
648.2.d.d 2 36.h even 6 1
648.2.d.d 2 72.l even 6 1
864.2.r.a 4 1.a even 1 1 trivial
864.2.r.a 4 8.b even 2 1 inner
864.2.r.a 4 9.c even 3 1 inner
864.2.r.a 4 72.n even 6 1 inner
2592.2.d.a 2 9.c even 3 1
2592.2.d.a 2 72.n even 6 1
2592.2.d.b 2 9.d odd 6 1
2592.2.d.b 2 72.j odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} - 4 T_{5}^{2} + 16 \) acting on \(S_{2}^{\mathrm{new}}(864, [\chi])\).

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ \( \)
$3$ \( \)
$5$ \( ( 1 - 4 T + 11 T^{2} - 20 T^{3} + 25 T^{4} )( 1 + 4 T + 11 T^{2} + 20 T^{3} + 25 T^{4} ) \)
$7$ \( ( 1 - 5 T + 7 T^{2} )^{2}( 1 + T + 7 T^{2} )^{2} \)
$11$ \( 1 + 13 T^{2} + 48 T^{4} + 1573 T^{6} + 14641 T^{8} \)
$13$ \( ( 1 - T^{2} + 169 T^{4} )( 1 + 23 T^{2} + 169 T^{4} ) \)
$17$ \( ( 1 + 5 T + 17 T^{2} )^{4} \)
$19$ \( ( 1 - 37 T^{2} + 361 T^{4} )^{2} \)
$23$ \( ( 1 + 2 T - 19 T^{2} + 46 T^{3} + 529 T^{4} )^{2} \)
$29$ \( ( 1 + 29 T^{2} + 841 T^{4} )^{2} \)
$31$ \( ( 1 - 7 T + 31 T^{2} )^{2}( 1 + 11 T + 31 T^{2} )^{2} \)
$37$ \( ( 1 - 12 T + 37 T^{2} )^{2}( 1 + 12 T + 37 T^{2} )^{2} \)
$41$ \( ( 1 + 5 T - 16 T^{2} + 205 T^{3} + 1681 T^{4} )^{2} \)
$43$ \( 1 - 35 T^{2} - 624 T^{4} - 64715 T^{6} + 3418801 T^{8} \)
$47$ \( ( 1 - 6 T - 11 T^{2} - 282 T^{3} + 2209 T^{4} )^{2} \)
$53$ \( ( 1 - 53 T^{2} )^{4} \)
$59$ \( 1 + 117 T^{2} + 10208 T^{4} + 407277 T^{6} + 12117361 T^{8} \)
$61$ \( ( 1 - 10 T + 39 T^{2} - 610 T^{3} + 3721 T^{4} )( 1 + 10 T + 39 T^{2} + 610 T^{3} + 3721 T^{4} ) \)
$67$ \( 1 + 125 T^{2} + 11136 T^{4} + 561125 T^{6} + 20151121 T^{8} \)
$71$ \( ( 1 + 6 T + 71 T^{2} )^{4} \)
$73$ \( ( 1 - 9 T + 73 T^{2} )^{4} \)
$79$ \( ( 1 + 14 T + 117 T^{2} + 1106 T^{3} + 6241 T^{4} )^{2} \)
$83$ \( 1 + 150 T^{2} + 15611 T^{4} + 1033350 T^{6} + 47458321 T^{8} \)
$89$ \( ( 1 - 14 T + 89 T^{2} )^{4} \)
$97$ \( ( 1 + T - 96 T^{2} + 97 T^{3} + 9409 T^{4} )^{2} \)
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