Properties

Label 2112.2.m.m
Level $2112$
Weight $2$
Character orbit 2112.m
Analytic conductor $16.864$
Analytic rank $0$
Dimension $16$
CM discriminant -264
Inner twists $16$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2112,2,Mod(1121,2112)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2112, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2112.1121");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2112 = 2^{6} \cdot 3 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2112.m (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: \(16.8644049069\)
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: \( x^{16} - 40x^{12} + 604x^{8} - 1440x^{4} + 1296 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{28} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q - \beta_{5} q^{3} + \beta_{10} q^{5} + \beta_{8} q^{7} - 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{5} q^{3} + \beta_{10} q^{5} + \beta_{8} q^{7} - 3 q^{9} - \beta_{2} q^{11} + \beta_{11} q^{13} + \beta_{12} q^{15} + \beta_{3} q^{17} - \beta_{9} q^{21} + (\beta_{13} - \beta_{12}) q^{23} + ( - \beta_1 + 5) q^{25} + 3 \beta_{5} q^{27} - \beta_{4} q^{33} + ( - \beta_{7} - 2 \beta_{2}) q^{35} - \beta_{14} q^{39} - 2 \beta_{4} q^{41} - 3 \beta_{10} q^{45} + ( - \beta_{13} - \beta_{12}) q^{47} + (3 \beta_1 - 7) q^{49} - \beta_{7} q^{51} - \beta_{15} q^{53} + (\beta_{14} + 2 \beta_{8}) q^{55} + ( - 2 \beta_{11} + \beta_{9}) q^{61} - 3 \beta_{8} q^{63} + ( - 2 \beta_{4} + \beta_{3}) q^{65} + \beta_{6} q^{67} + (\beta_{15} + 2 \beta_{10}) q^{69} + ( - 2 \beta_{13} + \beta_{12}) q^{71} + ( - 3 \beta_{6} - 5 \beta_{5}) q^{75} + (\beta_{15} - 2 \beta_{10}) q^{77} + (\beta_{14} - 2 \beta_{8}) q^{79} + 9 q^{81} - \beta_{7} q^{83} + (\beta_{11} + 3 \beta_{9}) q^{85} + (5 \beta_{6} - 2 \beta_{5}) q^{91} - 5 \beta_1 q^{97} + 3 \beta_{2} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 48 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 48 q^{9} + 80 q^{25} - 112 q^{49} + 144 q^{81}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 40x^{12} + 604x^{8} - 1440x^{4} + 1296 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 5\nu^{12} - 128\nu^{8} + 320\nu^{4} + 14544 ) / 4284 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 2\nu^{12} - 75\nu^{8} + 1080\nu^{4} - 1370 ) / 238 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 2\nu^{14} - 89\nu^{10} + 1514\nu^{6} - 5724\nu^{2} ) / 756 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -10\nu^{14} + 409\nu^{10} - 6454\nu^{6} + 24156\nu^{2} ) / 3672 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 5\nu^{14} - 191\nu^{10} + 2714\nu^{6} - 2844\nu^{2} ) / 1512 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -7\nu^{14} + 271\nu^{10} - 3814\nu^{6} + 3996\nu^{2} ) / 1836 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{12} + 40\nu^{8} - 568\nu^{4} + 720 ) / 36 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 139 \nu^{15} - 372 \nu^{13} + 5272 \nu^{11} + 14664 \nu^{9} - 68872 \nu^{7} - 203736 \nu^{5} + \cdots + 367632 \nu ) / 154224 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 29\nu^{15} - 62\nu^{13} - 1028\nu^{11} + 2444\nu^{9} + 13280\nu^{7} - 38240\nu^{5} + 9528\nu^{3} + 69840\nu ) / 17136 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 449 \nu^{15} - 372 \nu^{13} - 17492 \nu^{11} + 14664 \nu^{9} + 251504 \nu^{7} - 203736 \nu^{5} + \cdots + 59184 \nu ) / 154224 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 77 \nu^{15} - 186 \nu^{13} - 2828 \nu^{11} + 7332 \nu^{9} + 36752 \nu^{7} - 107376 \nu^{5} + \cdots + 194832 \nu ) / 22032 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 253 \nu^{15} + 246 \nu^{13} - 9904 \nu^{11} - 8868 \nu^{9} + 144712 \nu^{7} + 118560 \nu^{5} + \cdots - 34992 \nu ) / 51408 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 449 \nu^{15} - 372 \nu^{13} + 17492 \nu^{11} + 14664 \nu^{9} - 251504 \nu^{7} - 203736 \nu^{5} + \cdots + 59184 \nu ) / 77112 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 313 \nu^{15} + 744 \nu^{13} - 11440 \nu^{11} - 29328 \nu^{9} + 148552 \nu^{7} + 433176 \nu^{5} + \cdots - 786672 \nu ) / 51408 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 281 \nu^{15} - 264 \nu^{13} - 10988 \nu^{11} + 9696 \nu^{9} + 159968 \nu^{7} - 130728 \nu^{5} + \cdots + 38448 \nu ) / 22032 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{13} + \beta_{11} - 2\beta_{10} - \beta_{9} + 2\beta_{8} ) / 8 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{6} + 2\beta_{5} + 2\beta_{4} + \beta_{3} ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{15} + 2\beta_{13} + 2\beta_{12} + \beta_{11} - 5\beta_{10} - \beta_{9} - 2\beta_{8} ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{7} + 4\beta_{2} - 5\beta _1 + 20 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 4\beta_{14} - \beta_{13} + 7\beta_{11} - 2\beta_{10} - 15\beta_{9} + 26\beta_{8} ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 20\beta_{6} + 24\beta_{5} + 6\beta_{4} + 5\beta_{3} \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 25 \beta_{15} + 5 \beta_{14} + 43 \beta_{13} + 50 \beta_{12} - 7 \beta_{11} - 111 \beta_{10} + \cdots + 29 \beta_{8} ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 20\beta_{7} + 70\beta_{2} - 28\beta _1 + 98 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 31 \beta_{15} + 39 \beta_{14} + 53 \beta_{13} + 62 \beta_{12} + 67 \beta_{11} + 137 \beta_{10} + \cdots + 251 \beta_{8} ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( 589\beta_{6} + 682\beta_{5} + 22\beta_{4} + 19\beta_{3} \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 195 \beta_{15} + 157 \beta_{14} + 337 \beta_{13} + 390 \beta_{12} - 271 \beta_{11} + \cdots + 1013 \beta_{8} ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 480\beta_{7} + 1664\beta_{2} + 300\beta _1 - 1040 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( - 611 \beta_{15} + 221 \beta_{14} + 1058 \beta_{13} + 1222 \beta_{12} + 382 \beta_{11} + \cdots + 1427 \beta_{8} \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( 11786\beta_{6} + 13612\beta_{5} - 2132\beta_{4} - 1846\beta_{3} \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 512 \beta_{15} + 2358 \beta_{14} + 886 \beta_{13} + 1024 \beta_{12} - 4084 \beta_{11} + \cdots + 15242 \beta_{8} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2112\mathbb{Z}\right)^\times\).

\(n\) \(133\) \(1409\) \(1729\) \(2047\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1121.1
−0.317378 2.15205i
2.15205 + 0.317378i
1.11398 + 0.164287i
0.164287 + 1.11398i
−0.164287 1.11398i
−1.11398 0.164287i
−2.15205 0.317378i
0.317378 + 2.15205i
2.15205 0.317378i
−0.317378 + 2.15205i
0.164287 1.11398i
1.11398 0.164287i
−1.11398 + 0.164287i
−0.164287 + 1.11398i
0.317378 2.15205i
−2.15205 + 0.317378i
0 1.73205i 0 −3.66935 0 4.93886i 0 −3.00000 0
1121.2 0 1.73205i 0 −3.66935 0 4.93886i 0 −3.00000 0
1121.3 0 1.73205i 0 −2.55654 0 1.89939i 0 −3.00000 0
1121.4 0 1.73205i 0 −2.55654 0 1.89939i 0 −3.00000 0
1121.5 0 1.73205i 0 2.55654 0 1.89939i 0 −3.00000 0
1121.6 0 1.73205i 0 2.55654 0 1.89939i 0 −3.00000 0
1121.7 0 1.73205i 0 3.66935 0 4.93886i 0 −3.00000 0
1121.8 0 1.73205i 0 3.66935 0 4.93886i 0 −3.00000 0
1121.9 0 1.73205i 0 −3.66935 0 4.93886i 0 −3.00000 0
1121.10 0 1.73205i 0 −3.66935 0 4.93886i 0 −3.00000 0
1121.11 0 1.73205i 0 −2.55654 0 1.89939i 0 −3.00000 0
1121.12 0 1.73205i 0 −2.55654 0 1.89939i 0 −3.00000 0
1121.13 0 1.73205i 0 2.55654 0 1.89939i 0 −3.00000 0
1121.14 0 1.73205i 0 2.55654 0 1.89939i 0 −3.00000 0
1121.15 0 1.73205i 0 3.66935 0 4.93886i 0 −3.00000 0
1121.16 0 1.73205i 0 3.66935 0 4.93886i 0 −3.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1121.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
264.p odd 2 1 CM by \(\Q(\sqrt{-66}) \)
3.b odd 2 1 inner
4.b odd 2 1 inner
8.b even 2 1 inner
8.d odd 2 1 inner
11.b odd 2 1 inner
12.b even 2 1 inner
24.f even 2 1 inner
24.h odd 2 1 inner
33.d even 2 1 inner
44.c even 2 1 inner
88.b odd 2 1 inner
88.g even 2 1 inner
132.d odd 2 1 inner
264.m even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2112.2.m.m 16
3.b odd 2 1 inner 2112.2.m.m 16
4.b odd 2 1 inner 2112.2.m.m 16
8.b even 2 1 inner 2112.2.m.m 16
8.d odd 2 1 inner 2112.2.m.m 16
11.b odd 2 1 inner 2112.2.m.m 16
12.b even 2 1 inner 2112.2.m.m 16
24.f even 2 1 inner 2112.2.m.m 16
24.h odd 2 1 inner 2112.2.m.m 16
33.d even 2 1 inner 2112.2.m.m 16
44.c even 2 1 inner 2112.2.m.m 16
88.b odd 2 1 inner 2112.2.m.m 16
88.g even 2 1 inner 2112.2.m.m 16
132.d odd 2 1 inner 2112.2.m.m 16
264.m even 2 1 inner 2112.2.m.m 16
264.p odd 2 1 CM 2112.2.m.m 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2112.2.m.m 16 1.a even 1 1 trivial
2112.2.m.m 16 3.b odd 2 1 inner
2112.2.m.m 16 4.b odd 2 1 inner
2112.2.m.m 16 8.b even 2 1 inner
2112.2.m.m 16 8.d odd 2 1 inner
2112.2.m.m 16 11.b odd 2 1 inner
2112.2.m.m 16 12.b even 2 1 inner
2112.2.m.m 16 24.f even 2 1 inner
2112.2.m.m 16 24.h odd 2 1 inner
2112.2.m.m 16 33.d even 2 1 inner
2112.2.m.m 16 44.c even 2 1 inner
2112.2.m.m 16 88.b odd 2 1 inner
2112.2.m.m 16 88.g even 2 1 inner
2112.2.m.m 16 132.d odd 2 1 inner
2112.2.m.m 16 264.m even 2 1 inner
2112.2.m.m 16 264.p odd 2 1 CM

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2112, [\chi])\):

\( T_{5}^{4} - 20T_{5}^{2} + 88 \) Copy content Toggle raw display
\( T_{17}^{2} - 44 \) Copy content Toggle raw display
\( T_{167} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{2} + 3)^{8} \) Copy content Toggle raw display
$5$ \( (T^{4} - 20 T^{2} + 88)^{4} \) Copy content Toggle raw display
$7$ \( (T^{4} + 28 T^{2} + 88)^{4} \) Copy content Toggle raw display
$11$ \( (T^{2} + 11)^{8} \) Copy content Toggle raw display
$13$ \( (T^{4} - 52 T^{2} + 88)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} - 44)^{8} \) Copy content Toggle raw display
$19$ \( T^{16} \) Copy content Toggle raw display
$23$ \( (T^{4} + 92 T^{2} + 88)^{4} \) Copy content Toggle raw display
$29$ \( T^{16} \) Copy content Toggle raw display
$31$ \( T^{16} \) Copy content Toggle raw display
$37$ \( T^{16} \) Copy content Toggle raw display
$41$ \( (T^{2} - 132)^{8} \) Copy content Toggle raw display
$43$ \( T^{16} \) Copy content Toggle raw display
$47$ \( (T^{4} + 188 T^{2} + 88)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} - 212 T^{2} + 10648)^{4} \) Copy content Toggle raw display
$59$ \( T^{16} \) Copy content Toggle raw display
$61$ \( (T^{4} - 244 T^{2} + 14872)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 4)^{8} \) Copy content Toggle raw display
$71$ \( (T^{4} + 284 T^{2} + 14872)^{4} \) Copy content Toggle raw display
$73$ \( T^{16} \) Copy content Toggle raw display
$79$ \( (T^{4} + 316 T^{2} + 14872)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 132)^{8} \) Copy content Toggle raw display
$89$ \( T^{16} \) Copy content Toggle raw display
$97$ \( (T^{2} - 300)^{8} \) Copy content Toggle raw display
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