Properties

Label 2112.2.h.d
Level $2112$
Weight $2$
Character orbit 2112.h
Analytic conductor $16.864$
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] = [2112,2,Mod(1759,2112)]
 
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([1, 1, 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("2112.1759");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2112 = 2^{6} \cdot 3 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2112.h (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: \( x^{16} - 2 x^{15} + 5 x^{14} + 20 x^{13} - 49 x^{12} + 56 x^{11} + 174 x^{10} - 572 x^{9} + 120 x^{8} + \cdots + 433 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{27} \)
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.

\(f(q)\) \(=\) \( q + q^{3} + \beta_{11} q^{5} + \beta_{2} q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{3} + \beta_{11} q^{5} + \beta_{2} q^{7} + q^{9} + (\beta_{9} - 1) q^{11} + \beta_{8} q^{13} + \beta_{11} q^{15} + \beta_{6} q^{17} + (\beta_{13} + \beta_{6}) q^{19} + \beta_{2} q^{21} + (\beta_{7} + \beta_{5}) q^{23} + ( - \beta_{12} - \beta_{9} + \beta_{4} - 1) q^{25} + q^{27} - \beta_{10} q^{29} + (\beta_{14} - \beta_{11}) q^{31} + (\beta_{9} - 1) q^{33} + (\beta_{13} - \beta_{12} + \beta_{9} - 1) q^{35} + (\beta_{14} + \beta_{5}) q^{37} + \beta_{8} q^{39} - \beta_{15} q^{41} + ( - \beta_{13} + \beta_{6}) q^{43} + \beta_{11} q^{45} + (\beta_{14} + 2 \beta_{11}) q^{47} - \beta_{4} q^{49} + \beta_{6} q^{51} + (2 \beta_{14} + \beta_{11} - \beta_{7}) q^{53} + (\beta_{11} - \beta_{8} + \cdots - 2 \beta_{2}) q^{55}+ \cdots + (\beta_{9} - 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 16 q^{3} + 16 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{3} + 16 q^{9} - 8 q^{11} - 16 q^{25} + 16 q^{27} - 8 q^{33} - 80 q^{59} + 64 q^{67} - 16 q^{75} + 16 q^{81} + 32 q^{89} - 16 q^{97} - 8 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 2 x^{15} + 5 x^{14} + 20 x^{13} - 49 x^{12} + 56 x^{11} + 174 x^{10} - 572 x^{9} + 120 x^{8} + \cdots + 433 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 34\!\cdots\!17 \nu^{15} + \cdots + 32\!\cdots\!04 ) / 45\!\cdots\!16 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 11\!\cdots\!83 \nu^{15} + \cdots + 14\!\cdots\!04 ) / 45\!\cdots\!16 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 11\!\cdots\!06 \nu^{15} + \cdots - 38\!\cdots\!79 ) / 17\!\cdots\!66 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 26\!\cdots\!10 \nu^{15} + \cdots - 88\!\cdots\!17 ) / 17\!\cdots\!66 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 63\!\cdots\!81 \nu^{15} + \cdots + 63\!\cdots\!44 ) / 35\!\cdots\!32 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 42\!\cdots\!12 \nu^{15} + \cdots + 31\!\cdots\!33 ) / 22\!\cdots\!58 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 250973189 \nu^{15} + 1154940404 \nu^{14} - 2423159572 \nu^{13} - 1370245474 \nu^{12} + \cdots - 594916780180 ) / 104154789211 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 14\!\cdots\!69 \nu^{15} + \cdots + 74\!\cdots\!28 ) / 45\!\cdots\!16 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 67\!\cdots\!08 \nu^{15} + \cdots - 77\!\cdots\!37 ) / 20\!\cdots\!78 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 63\!\cdots\!09 \nu^{15} + \cdots + 12\!\cdots\!88 ) / 17\!\cdots\!66 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 16\!\cdots\!93 \nu^{15} + \cdots - 16\!\cdots\!28 ) / 35\!\cdots\!32 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 11\!\cdots\!56 \nu^{15} + \cdots + 73\!\cdots\!61 ) / 22\!\cdots\!58 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 16\!\cdots\!70 \nu^{15} + \cdots - 20\!\cdots\!51 ) / 22\!\cdots\!58 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 33\!\cdots\!93 \nu^{15} + \cdots + 14\!\cdots\!20 ) / 35\!\cdots\!32 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 18\!\cdots\!77 \nu^{15} + \cdots - 35\!\cdots\!78 ) / 11\!\cdots\!79 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 2\beta_{14} - 2\beta_{11} - 2\beta_{10} + 4\beta_{9} - \beta_{8} - \beta_{7} - 4\beta_{6} - 2\beta_{2} + \beta_1 ) / 16 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2 \beta_{14} - 16 \beta_{12} - 6 \beta_{11} + 2 \beta_{10} - 4 \beta_{9} + 3 \beta_{8} - \beta_{7} + \cdots - 12 ) / 16 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 2 \beta_{14} + \beta_{13} - 4 \beta_{12} - 2 \beta_{11} - \beta_{10} - 12 \beta_{9} + 4 \beta_{8} + \cdots - 37 ) / 8 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 8 \beta_{15} - 34 \beta_{14} - 12 \beta_{13} + 24 \beta_{12} + 38 \beta_{11} - 6 \beta_{10} + \cdots + 56 ) / 16 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 12 \beta_{15} - 14 \beta_{14} - 22 \beta_{13} + 164 \beta_{12} + 122 \beta_{11} - 32 \beta_{10} + \cdots + 450 ) / 16 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 12 \beta_{15} + 82 \beta_{14} + 12 \beta_{13} + 12 \beta_{12} - 8 \beta_{11} - 10 \beta_{10} + \cdots + 346 ) / 8 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 164 \beta_{15} + 510 \beta_{14} + 372 \beta_{13} - 820 \beta_{12} - 974 \beta_{11} + 158 \beta_{10} + \cdots - 1308 ) / 16 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 200 \beta_{15} + 10 \beta_{14} + 460 \beta_{13} - 2024 \beta_{12} - 1846 \beta_{11} + 310 \beta_{10} + \cdots - 7032 ) / 16 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 474 \beta_{15} - 1736 \beta_{14} - 893 \beta_{13} + 626 \beta_{12} + 1714 \beta_{11} - 65 \beta_{10} + \cdots - 2705 ) / 8 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 3296 \beta_{15} - 7374 \beta_{14} - 8152 \beta_{13} + 15720 \beta_{12} + 20966 \beta_{11} + \cdots + 32664 ) / 16 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 1232 \beta_{15} + 5018 \beta_{14} - 3410 \beta_{13} + 24504 \beta_{12} + 16742 \beta_{11} + \cdots + 108042 ) / 16 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 2988 \beta_{15} + 8169 \beta_{14} + 6680 \beta_{13} - 6435 \beta_{12} - 14826 \beta_{11} + 706 \beta_{10} + \cdots + 2363 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 57452 \beta_{15} + 109778 \beta_{14} + 144572 \beta_{13} - 281068 \beta_{12} - 369122 \beta_{11} + \cdots - 689884 ) / 16 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 39032 \beta_{15} - 180622 \beta_{14} - 82928 \beta_{13} - 268976 \beta_{12} + 101698 \beta_{11} + \cdots - 1660468 ) / 16 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 259938 \beta_{15} - 608946 \beta_{14} - 617433 \beta_{13} + 672706 \beta_{12} + 1437426 \beta_{11} + \cdots + 482809 ) / 8 \) 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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1759.1
1.11858 + 2.43543i
−0.425330 + 0.151831i
0.947487 + 1.75599i
0.691227 2.19508i
−1.76521 + 0.136903i
0.626493 0.442020i
1.51042 + 0.0694892i
−1.70368 + 0.651747i
1.51042 0.0694892i
−1.70368 0.651747i
−1.76521 0.136903i
0.626493 + 0.442020i
0.947487 1.75599i
0.691227 + 2.19508i
1.11858 2.43543i
−0.425330 0.151831i
0 1.00000 0 3.78801i 0 −3.68457 0 1.00000 0
1759.2 0 1.00000 0 3.78801i 0 3.68457 0 1.00000 0
1759.3 0 1.00000 0 2.39924i 0 −1.09614 0 1.00000 0
1759.4 0 1.00000 0 2.39924i 0 1.09614 0 1.00000 0
1759.5 0 1.00000 0 1.66719i 0 −3.05522 0 1.00000 0
1759.6 0 1.00000 0 1.66719i 0 3.05522 0 1.00000 0
1759.7 0 1.00000 0 1.05596i 0 −1.97182 0 1.00000 0
1759.8 0 1.00000 0 1.05596i 0 1.97182 0 1.00000 0
1759.9 0 1.00000 0 1.05596i 0 −1.97182 0 1.00000 0
1759.10 0 1.00000 0 1.05596i 0 1.97182 0 1.00000 0
1759.11 0 1.00000 0 1.66719i 0 −3.05522 0 1.00000 0
1759.12 0 1.00000 0 1.66719i 0 3.05522 0 1.00000 0
1759.13 0 1.00000 0 2.39924i 0 −1.09614 0 1.00000 0
1759.14 0 1.00000 0 2.39924i 0 1.09614 0 1.00000 0
1759.15 0 1.00000 0 3.78801i 0 −3.68457 0 1.00000 0
1759.16 0 1.00000 0 3.78801i 0 3.68457 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1759.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.d odd 2 1 inner
11.b odd 2 1 inner
88.g 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.h.d yes 16
4.b odd 2 1 2112.2.h.c 16
8.b even 2 1 2112.2.h.c 16
8.d odd 2 1 inner 2112.2.h.d yes 16
11.b odd 2 1 inner 2112.2.h.d yes 16
44.c even 2 1 2112.2.h.c 16
88.b odd 2 1 2112.2.h.c 16
88.g even 2 1 inner 2112.2.h.d yes 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2112.2.h.c 16 4.b odd 2 1
2112.2.h.c 16 8.b even 2 1
2112.2.h.c 16 44.c even 2 1
2112.2.h.c 16 88.b odd 2 1
2112.2.h.d yes 16 1.a even 1 1 trivial
2112.2.h.d yes 16 8.d odd 2 1 inner
2112.2.h.d yes 16 11.b odd 2 1 inner
2112.2.h.d yes 16 88.g even 2 1 inner

Hecke kernels

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

\( T_{5}^{8} + 24T_{5}^{6} + 164T_{5}^{4} + 384T_{5}^{2} + 256 \) Copy content Toggle raw display
\( T_{59}^{4} + 20T_{59}^{3} - 12T_{59}^{2} - 1984T_{59} - 8384 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T - 1)^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} + 24 T^{6} + \cdots + 256)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} - 28 T^{6} + \cdots + 592)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} + 4 T^{7} + \cdots + 14641)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} - 88 T^{6} + \cdots + 9472)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 52 T^{6} + \cdots + 2368)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 116 T^{6} + \cdots + 2368)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 72 T^{6} + \cdots + 16384)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} - 164 T^{6} + \cdots + 1600768)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} + 104 T^{6} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + 120 T^{6} + \cdots + 173056)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} + 268 T^{6} + \cdots + 9699328)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} + 212 T^{6} + \cdots + 3241792)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + 128 T^{6} + \cdots + 87616)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 264 T^{6} + \cdots + 3748096)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + 20 T^{3} + \cdots - 8384)^{4} \) Copy content Toggle raw display
$61$ \( (T^{8} - 536 T^{6} + \cdots + 190993408)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 16 T^{3} + \cdots + 256)^{4} \) Copy content Toggle raw display
$71$ \( (T^{8} + 112 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + 352 T^{6} + \cdots + 2424832)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} - 428 T^{6} + \cdots + 52925392)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 352 T^{6} + \cdots + 2424832)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} - 4 T - 44)^{8} \) Copy content Toggle raw display
$97$ \( (T^{4} + 4 T^{3} + \cdots + 256)^{4} \) Copy content Toggle raw display
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