Properties

Label 2160.2.bw.b
Level $2160$
Weight $2$
Character orbit 2160.bw
Analytic conductor $17.248$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2160,2,Mod(1151,2160)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2160, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 0, 5, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2160.1151");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2160 = 2^{4} \cdot 3^{3} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2160.bw (of order \(6\), degree \(2\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(17.2476868366\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 12x^{14} + 99x^{12} - 432x^{10} + 1368x^{8} - 2214x^{6} + 2511x^{4} - 486x^{2} + 81 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4}\cdot 3^{4} \)
Twist minimal: no (minimal twist has level 720)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{5} + ( - \beta_{8} - \beta_{3}) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{5} + ( - \beta_{8} - \beta_{3}) q^{7} + ( - \beta_{12} + \beta_{4}) q^{11} + (\beta_{9} + \beta_{7} - \beta_{2} + \cdots + 1) q^{13}+ \cdots + ( - 6 \beta_{7} + 2 \beta_{6} + \cdots + 2) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 4 q^{13} + 8 q^{25} - 48 q^{29} + 8 q^{37} + 12 q^{41} + 4 q^{49} - 28 q^{61} + 12 q^{65} - 32 q^{73} + 12 q^{77} - 12 q^{85} + 16 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 12x^{14} + 99x^{12} - 432x^{10} + 1368x^{8} - 2214x^{6} + 2511x^{4} - 486x^{2} + 81 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 7562 \nu^{14} + 112407 \nu^{12} - 1024458 \nu^{10} + 5417334 \nu^{8} - 19376352 \nu^{6} + \cdots + 17730657 ) / 14108742 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 10649 \nu^{14} + 116868 \nu^{12} - 972708 \nu^{10} + 4196898 \nu^{8} - 15824394 \nu^{6} + \cdots + 55511892 ) / 14108742 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 23066 \nu^{15} - 316611 \nu^{13} + 2757234 \nu^{11} - 13759200 \nu^{9} + 47569968 \nu^{7} + \cdots - 83080323 \nu ) / 14108742 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 16265 \nu^{15} + 211059 \nu^{13} - 1814727 \nu^{11} + 8791056 \nu^{9} - 30710736 \nu^{7} + \cdots + 62606763 \nu ) / 7054371 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 35317 \nu^{14} + 374094 \nu^{12} - 3029718 \nu^{10} + 11564082 \nu^{8} - 35760456 \nu^{6} + \cdots - 22109274 ) / 14108742 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 12193 \nu^{14} + 143136 \nu^{12} - 1173312 \nu^{10} + 4997712 \nu^{8} - 15676416 \nu^{6} + \cdots + 816480 ) / 4702914 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 23\nu^{14} - 285\nu^{12} + 2364\nu^{10} - 10530\nu^{8} + 33120\nu^{6} - 53730\nu^{4} + 55053\nu^{2} - 6237 ) / 7614 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 89531 \nu^{15} + 1036515 \nu^{13} - 8393466 \nu^{11} + 34735554 \nu^{9} - 104887242 \nu^{7} + \cdots - 53503173 \nu ) / 14108742 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 2035 \nu^{14} + 24309 \nu^{12} - 198183 \nu^{10} + 857412 \nu^{8} - 2647413 \nu^{6} + \cdots + 1085481 ) / 414963 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 38732 \nu^{14} + 470775 \nu^{12} - 3928947 \nu^{10} + 17606043 \nu^{8} - 57697884 \nu^{6} + \cdots + 23351733 ) / 7054371 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 128438 \nu^{15} + 1559679 \nu^{13} - 12946890 \nu^{11} + 57361014 \nu^{9} + \cdots + 90171063 \nu ) / 14108742 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 137965 \nu^{15} - 1558635 \nu^{13} + 12570342 \nu^{11} - 50857398 \nu^{9} + 153437364 \nu^{7} + \cdots + 81723087 \nu ) / 14108742 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 101627 \nu^{15} + 1219290 \nu^{13} - 10046262 \nu^{11} + 43726257 \nu^{9} - 137854539 \nu^{7} + \cdots + 36662949 \nu ) / 7054371 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 259723 \nu^{15} - 3081831 \nu^{13} + 25299132 \nu^{11} - 108722934 \nu^{9} + 339601068 \nu^{7} + \cdots + 14612319 \nu ) / 14108742 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 174589 \nu^{15} - 2061234 \nu^{13} + 16877913 \nu^{11} - 72135288 \nu^{9} + 224710938 \nu^{7} + \cdots - 27853632 \nu ) / 7054371 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} + \beta_{14} + 2\beta_{13} - \beta_{12} - 2\beta_{11} - 4\beta_{8} - 2\beta_{4} - 2\beta_{3} ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{10} - 2\beta_{7} - 5\beta_{6} + \beta_{5} - 2\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{15} - \beta_{14} - \beta_{13} - 3\beta_{11} - \beta_{8} - 3\beta_{3} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -2\beta_{10} + 5\beta_{9} - 12\beta_{7} - 28\beta_{6} + 7\beta_{5} + 7\beta_{2} - 28 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -9\beta_{15} - 6\beta_{14} - 30\beta_{13} + 6\beta_{12} - 6\beta_{11} + 24\beta_{8} + 9\beta_{4} - 24\beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -21\beta_{10} + 21\beta_{9} + 3\beta_{7} - 12\beta_{6} + 9\beta_{5} + 12\beta_{2} + 39\beta _1 - 63 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 21 \beta_{15} + 21 \beta_{14} - 144 \beta_{13} + 39 \beta_{12} + 144 \beta_{11} + 156 \beta_{8} + \cdots + 12 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -117\beta_{10} + 126\beta_{9} + 504\beta_{7} + 657\beta_{6} - 117\beta_{5} - 126\beta_{2} + 432\beta _1 + 126 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 24\beta_{15} + 84\beta_{14} - 12\beta_{13} + 60\beta_{12} + 417\beta_{11} - 12\beta_{8} - 60\beta_{4} + 417\beta_{3} \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 810 \beta_{10} - 585 \beta_{9} + 2574 \beta_{7} + 4266 \beta_{6} - 1395 \beta_{5} - 1395 \beta_{2} + \cdots + 4266 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 729 \beta_{15} + 72 \beta_{14} + 4554 \beta_{13} - 72 \beta_{12} - 522 \beta_{11} + \cdots + 5076 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 4005 \beta_{10} - 4005 \beta_{9} - 2106 \beta_{7} + 1503 \beta_{6} - 2502 \beta_{5} - 1503 \beta_{2} + \cdots + 9441 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 3591 \beta_{15} - 3591 \beta_{14} + 29862 \beta_{13} - 3213 \beta_{12} - 29862 \beta_{11} + \cdots + 4590 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 15849 \beta_{10} - 30240 \beta_{9} - 117234 \beta_{7} - 119313 \beta_{6} + 15849 \beta_{5} + \cdots - 30240 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 2673 \beta_{15} - 7236 \beta_{14} + 16497 \beta_{13} - 9909 \beta_{12} - 70983 \beta_{11} + \cdots - 70983 \beta_{3} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2160\mathbb{Z}\right)^\times\).

\(n\) \(271\) \(1297\) \(1621\) \(2081\)
\(\chi(n)\) \(-1\) \(1\) \(1\) \(-\beta_{6}\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1151.1
−2.08612 + 1.20442i
−1.20298 + 0.694538i
1.20298 0.694538i
2.08612 1.20442i
−0.384853 + 0.222195i
−1.74724 + 1.00877i
1.74724 1.00877i
0.384853 0.222195i
−2.08612 1.20442i
−1.20298 0.694538i
1.20298 + 0.694538i
2.08612 + 1.20442i
−0.384853 0.222195i
−1.74724 1.00877i
1.74724 + 1.00877i
0.384853 + 0.222195i
0 0 0 −0.866025 0.500000i 0 −1.46341 + 0.844901i 0 0 0
1151.2 0 0 0 −0.866025 0.500000i 0 −0.123122 + 0.0710842i 0 0 0
1151.3 0 0 0 −0.866025 0.500000i 0 0.123122 0.0710842i 0 0 0
1151.4 0 0 0 −0.866025 0.500000i 0 1.46341 0.844901i 0 0 0
1151.5 0 0 0 0.866025 + 0.500000i 0 −3.76026 + 2.17099i 0 0 0
1151.6 0 0 0 0.866025 + 0.500000i 0 −2.49072 + 1.43802i 0 0 0
1151.7 0 0 0 0.866025 + 0.500000i 0 2.49072 1.43802i 0 0 0
1151.8 0 0 0 0.866025 + 0.500000i 0 3.76026 2.17099i 0 0 0
1871.1 0 0 0 −0.866025 + 0.500000i 0 −1.46341 0.844901i 0 0 0
1871.2 0 0 0 −0.866025 + 0.500000i 0 −0.123122 0.0710842i 0 0 0
1871.3 0 0 0 −0.866025 + 0.500000i 0 0.123122 + 0.0710842i 0 0 0
1871.4 0 0 0 −0.866025 + 0.500000i 0 1.46341 + 0.844901i 0 0 0
1871.5 0 0 0 0.866025 0.500000i 0 −3.76026 2.17099i 0 0 0
1871.6 0 0 0 0.866025 0.500000i 0 −2.49072 1.43802i 0 0 0
1871.7 0 0 0 0.866025 0.500000i 0 2.49072 + 1.43802i 0 0 0
1871.8 0 0 0 0.866025 0.500000i 0 3.76026 + 2.17099i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1151.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
9.d odd 6 1 inner
36.h even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2160.2.bw.b 16
3.b odd 2 1 720.2.bw.b 16
4.b odd 2 1 inner 2160.2.bw.b 16
9.c even 3 1 720.2.bw.b 16
9.c even 3 1 6480.2.h.c 16
9.d odd 6 1 inner 2160.2.bw.b 16
9.d odd 6 1 6480.2.h.c 16
12.b even 2 1 720.2.bw.b 16
36.f odd 6 1 720.2.bw.b 16
36.f odd 6 1 6480.2.h.c 16
36.h even 6 1 inner 2160.2.bw.b 16
36.h even 6 1 6480.2.h.c 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
720.2.bw.b 16 3.b odd 2 1
720.2.bw.b 16 9.c even 3 1
720.2.bw.b 16 12.b even 2 1
720.2.bw.b 16 36.f odd 6 1
2160.2.bw.b 16 1.a even 1 1 trivial
2160.2.bw.b 16 4.b odd 2 1 inner
2160.2.bw.b 16 9.d odd 6 1 inner
2160.2.bw.b 16 36.h even 6 1 inner
6480.2.h.c 16 9.c even 3 1
6480.2.h.c 16 9.d odd 6 1
6480.2.h.c 16 36.f odd 6 1
6480.2.h.c 16 36.h even 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{16} - 30T_{7}^{14} + 666T_{7}^{12} - 6120T_{7}^{10} + 41247T_{7}^{8} - 104760T_{7}^{6} + 200394T_{7}^{4} - 4050T_{7}^{2} + 81 \) acting on \(S_{2}^{\mathrm{new}}(2160, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{4} - T^{2} + 1)^{4} \) Copy content Toggle raw display
$7$ \( T^{16} - 30 T^{14} + \cdots + 81 \) Copy content Toggle raw display
$11$ \( T^{16} + 36 T^{14} + \cdots + 20736 \) Copy content Toggle raw display
$13$ \( (T^{8} - 2 T^{7} + 34 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 72 T^{6} + \cdots + 1296)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 60 T^{6} + \cdots + 144)^{2} \) Copy content Toggle raw display
$23$ \( T^{16} + \cdots + 11433811041 \) Copy content Toggle raw display
$29$ \( (T^{4} + 12 T^{3} + 45 T^{2} + \cdots + 9)^{4} \) Copy content Toggle raw display
$31$ \( T^{16} - 156 T^{14} + \cdots + 20736 \) Copy content Toggle raw display
$37$ \( (T^{4} - 2 T^{3} + \cdots - 284)^{4} \) Copy content Toggle raw display
$41$ \( (T^{8} - 6 T^{7} + \cdots + 9801)^{2} \) Copy content Toggle raw display
$43$ \( T^{16} + \cdots + 303595776 \) Copy content Toggle raw display
$47$ \( T^{16} + \cdots + 83156680161 \) Copy content Toggle raw display
$53$ \( (T^{4} + 144 T^{2} + 2304)^{4} \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 77720518656 \) Copy content Toggle raw display
$61$ \( (T^{8} + 14 T^{7} + \cdots + 6713281)^{2} \) Copy content Toggle raw display
$67$ \( T^{16} + \cdots + 6439662447201 \) Copy content Toggle raw display
$71$ \( (T^{8} - 468 T^{6} + \cdots + 17539344)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 8 T^{3} + \cdots - 704)^{4} \) Copy content Toggle raw display
$79$ \( T^{16} + \cdots + 18\!\cdots\!36 \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 707275355433201 \) Copy content Toggle raw display
$89$ \( (T^{8} + 324 T^{6} + \cdots + 14220441)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} - 4 T^{3} + \cdots + 10816)^{4} \) Copy content Toggle raw display
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