Properties

Label 7056.2.b.z
Level $7056$
Weight $2$
Character orbit 7056.b
Analytic conductor $56.342$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [7056,2,Mod(1567,7056)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7056, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("7056.1567");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 7056 = 2^{4} \cdot 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7056.b (of order \(2\), degree \(1\), 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: \(56.3424436662\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 12x^{14} + 114x^{12} - 336x^{10} + 755x^{8} - 336x^{6} + 114x^{4} - 12x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 2^{18} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q - \beta_{15} q^{5}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{15} q^{5} - \beta_{9} q^{11} + \beta_{8} q^{13} + (\beta_{15} - 2 \beta_{6}) q^{17} + \beta_1 q^{19} - \beta_{11} q^{23} + ( - \beta_{2} + 1) q^{25} + (2 \beta_{4} + \beta_{3}) q^{29} + \beta_{12} q^{31} + \beta_{2} q^{37} + (2 \beta_{15} - \beta_{6}) q^{41} + ( - \beta_{10} + \beta_{7}) q^{43} + \beta_{5} q^{47} - 2 \beta_{3} q^{53} + ( - 2 \beta_{12} + \beta_1) q^{55} + (2 \beta_{13} + \beta_{5}) q^{59} + ( - 4 \beta_{14} + 3 \beta_{8}) q^{61} - \beta_{4} q^{65} + (\beta_{10} + 2 \beta_{7}) q^{67} + ( - 2 \beta_{11} - \beta_{9}) q^{71} + ( - 4 \beta_{14} - 3 \beta_{8}) q^{73} + ( - 2 \beta_{10} - \beta_{7}) q^{79} + (\beta_{13} - \beta_{5}) q^{83} + 7 \beta_{2} q^{85} + 5 \beta_{15} q^{89} + (\beta_{11} + \beta_{9}) q^{95} + (4 \beta_{14} + 3 \beta_{8}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{25}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 12x^{14} + 114x^{12} - 336x^{10} + 755x^{8} - 336x^{6} + 114x^{4} - 12x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 159 \nu^{15} + 2803 \nu^{13} - 28702 \nu^{11} + 153429 \nu^{9} - 401442 \nu^{7} + 668395 \nu^{5} + \cdots + 32748 \nu ) / 3842 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 30\nu^{14} - 348\nu^{12} + 3277\nu^{10} - 8724\nu^{8} + 18731\nu^{6} - 1356\nu^{4} + 143\nu^{2} + 330 ) / 226 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 22650 \nu^{14} + 262716 \nu^{12} - 2474135 \nu^{10} + 6586620 \nu^{8} - 14159831 \nu^{6} + \cdots - 685128 ) / 157522 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 35220 \nu^{14} - 408619 \nu^{12} + 3847198 \nu^{10} - 10241976 \nu^{8} + 21946714 \nu^{6} + \cdots + 292659 ) / 157522 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 919 \nu^{15} - 7109 \nu^{13} + 58534 \nu^{11} + 128413 \nu^{9} - 531974 \nu^{7} + 2379667 \nu^{5} + \cdots + 105100 \nu ) / 9266 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 933 \nu^{15} - 11011 \nu^{13} + 104412 \nu^{11} - 295521 \nu^{9} + 671748 \nu^{7} - 252329 \nu^{5} + \cdots - 2310 \nu ) / 7684 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 34896 \nu^{14} - 415272 \nu^{12} + 3937824 \nu^{10} - 11344924 \nu^{8} + 25334496 \nu^{6} + \cdots - 244642 ) / 78761 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 3815 \nu^{15} - 45331 \nu^{13} + 429852 \nu^{11} - 1234493 \nu^{9} + 2765508 \nu^{7} + \cdots - 9510 \nu ) / 18532 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 152 \nu^{14} + 1831 \nu^{12} - 17402 \nu^{10} + 51750 \nu^{8} - 115982 \nu^{6} + 53110 \nu^{4} + \cdots + 927 ) / 226 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 668 \nu^{14} + 8028 \nu^{12} - 76267 \nu^{10} + 225480 \nu^{8} - 505181 \nu^{6} + 224796 \nu^{4} + \cdots + 4170 ) / 697 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 256 \nu^{14} - 3060 \nu^{12} + 29041 \nu^{10} - 84660 \nu^{8} + 189361 \nu^{6} - 77292 \nu^{4} + \cdots - 1704 ) / 226 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 1177 \nu^{15} + 14358 \nu^{13} - 136956 \nu^{11} + 421801 \nu^{9} - 963982 \nu^{7} + \cdots + 35602 \nu ) / 1921 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 3865 \nu^{15} + 46842 \nu^{13} - 446124 \nu^{11} + 1350959 \nu^{9} - 3070030 \nu^{7} + \cdots + 106958 \nu ) / 4633 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 17789 \nu^{15} - 212069 \nu^{13} + 2010948 \nu^{11} - 5815175 \nu^{9} + 12937692 \nu^{7} + \cdots - 44490 \nu ) / 18532 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 9727 \nu^{15} + 115973 \nu^{13} - 1099716 \nu^{11} + 3180923 \nu^{9} - 7075164 \nu^{7} + \cdots + 24330 \nu ) / 7684 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} - \beta_{14} + \beta_{13} - \beta_{12} - \beta_{8} + \beta_{6} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -2\beta_{11} - \beta_{10} + 3\beta_{7} + 2\beta_{3} + 2\beta_{2} + 6 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -9\beta_{15} - 11\beta_{14} - 7\beta_{8} + 5\beta_{6} ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -16\beta_{11} - 12\beta_{10} + 4\beta_{9} + 21\beta_{7} + 4\beta_{4} - 16\beta_{3} - 24\beta_{2} - 42 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -81\beta_{15} - 101\beta_{14} - 59\beta_{13} + 75\beta_{12} - 49\beta_{8} + 37\beta_{6} - 22\beta_{5} + 26\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 24\beta_{4} - 67\beta_{3} - 113\beta_{2} - 171 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 713 \beta_{15} + 895 \beta_{14} - 509 \beta_{13} + 643 \beta_{12} + 391 \beta_{8} - 305 \beta_{6} + \cdots + 252 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 1152 \beta_{11} + 1008 \beta_{10} - 456 \beta_{9} - 1457 \beta_{7} + 456 \beta_{4} - 1152 \beta_{3} + \cdots - 2914 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 6233\beta_{15} + 7841\beta_{14} + 3305\beta_{8} - 2609\beta_{6} ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 9994 \beta_{11} + 8849 \beta_{10} - 4080 \beta_{9} - 12603 \beta_{7} - 4080 \beta_{4} + 9994 \beta_{3} + \cdots + 25206 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 54369 \beta_{15} + 68443 \beta_{14} + 38483 \beta_{13} - 48477 \beta_{12} + 28511 \beta_{8} + \cdots - 19966 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( -17926\beta_{4} + 43480\beta_{3} + 77292\beta_{2} + 109557 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 473913 \beta_{15} - 596725 \beta_{14} + 335215 \beta_{13} - 422175 \beta_{12} - 247625 \beta_{8} + \cdots - 174550 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 757390 \beta_{11} - 674017 \beta_{10} + 313248 \beta_{9} + 953907 \beta_{7} - 313248 \beta_{4} + \cdots + 1907814 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( -4129969\beta_{15} - 5200607\beta_{14} - 2155439\beta_{8} + 1711297\beta_{6} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/7056\mathbb{Z}\right)^\times\).

\(n\) \(785\) \(1765\) \(4609\) \(6175\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1567.1
0.293380 0.169383i
−2.55641 1.47595i
−0.293380 0.169383i
2.55641 1.47595i
−1.45341 + 0.839125i
0.516029 + 0.297929i
1.45341 + 0.839125i
−0.516029 + 0.297929i
−0.516029 0.297929i
1.45341 0.839125i
0.516029 0.297929i
−1.45341 0.839125i
2.55641 + 1.47595i
−0.293380 + 0.169383i
−2.55641 + 1.47595i
0.293380 + 0.169383i
0 0 0 2.32685i 0 0 0 0 0
1567.2 0 0 0 2.32685i 0 0 0 0 0
1567.3 0 0 0 2.32685i 0 0 0 0 0
1567.4 0 0 0 2.32685i 0 0 0 0 0
1567.5 0 0 0 1.60804i 0 0 0 0 0
1567.6 0 0 0 1.60804i 0 0 0 0 0
1567.7 0 0 0 1.60804i 0 0 0 0 0
1567.8 0 0 0 1.60804i 0 0 0 0 0
1567.9 0 0 0 1.60804i 0 0 0 0 0
1567.10 0 0 0 1.60804i 0 0 0 0 0
1567.11 0 0 0 1.60804i 0 0 0 0 0
1567.12 0 0 0 1.60804i 0 0 0 0 0
1567.13 0 0 0 2.32685i 0 0 0 0 0
1567.14 0 0 0 2.32685i 0 0 0 0 0
1567.15 0 0 0 2.32685i 0 0 0 0 0
1567.16 0 0 0 2.32685i 0 0 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1567.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
7.b odd 2 1 inner
12.b even 2 1 inner
21.c even 2 1 inner
28.d even 2 1 inner
84.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 7056.2.b.z 16
3.b odd 2 1 inner 7056.2.b.z 16
4.b odd 2 1 inner 7056.2.b.z 16
7.b odd 2 1 inner 7056.2.b.z 16
12.b even 2 1 inner 7056.2.b.z 16
21.c even 2 1 inner 7056.2.b.z 16
28.d even 2 1 inner 7056.2.b.z 16
84.h odd 2 1 inner 7056.2.b.z 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
7056.2.b.z 16 1.a even 1 1 trivial
7056.2.b.z 16 3.b odd 2 1 inner
7056.2.b.z 16 4.b odd 2 1 inner
7056.2.b.z 16 7.b odd 2 1 inner
7056.2.b.z 16 12.b even 2 1 inner
7056.2.b.z 16 21.c even 2 1 inner
7056.2.b.z 16 28.d even 2 1 inner
7056.2.b.z 16 84.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(7056, [\chi])\):

\( T_{5}^{4} + 8T_{5}^{2} + 14 \) Copy content Toggle raw display
\( T_{11}^{4} + 36T_{11}^{2} + 252 \) Copy content Toggle raw display
\( T_{13}^{4} + 4T_{13}^{2} + 2 \) Copy content Toggle raw display
\( T_{17}^{4} + 56T_{17}^{2} + 686 \) Copy content Toggle raw display
\( T_{19}^{4} - 24T_{19}^{2} + 72 \) Copy content Toggle raw display
\( T_{31}^{4} - 24T_{31}^{2} + 72 \) Copy content Toggle raw display
\( T_{53}^{4} - 80T_{53}^{2} + 448 \) 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
$5$ \( (T^{4} + 8 T^{2} + 14)^{4} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{4} + 36 T^{2} + 252)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} + 4 T^{2} + 2)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} + 56 T^{2} + 686)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} - 24 T^{2} + 72)^{4} \) Copy content Toggle raw display
$23$ \( (T^{4} + 60 T^{2} + 252)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} - 52 T^{2} + 28)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} - 24 T^{2} + 72)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 2)^{8} \) Copy content Toggle raw display
$41$ \( (T^{4} + 32 T^{2} + 14)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + 72 T^{2} + 144)^{4} \) Copy content Toggle raw display
$47$ \( (T^{4} - 96 T^{2} + 504)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} - 80 T^{2} + 448)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} - 192 T^{2} + 504)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} + 100 T^{2} + 1922)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} + 144 T^{2} + 576)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 228 T^{2} + 12348)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} + 100 T^{2} + 578)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 216 T^{2} + 7056)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} - 192 T^{2} + 2016)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + 200 T^{2} + 8750)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} + 100 T^{2} + 578)^{4} \) Copy content Toggle raw display
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