Properties

Label 2100.2.x.d
Level $2100$
Weight $2$
Character orbit 2100.x
Analytic conductor $16.769$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2100,2,Mod(1357,2100)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2100, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 0, 1, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2100.1357");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2100 = 2^{2} \cdot 3 \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2100.x (of order \(4\), degree \(2\), 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: \(16.7685844245\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(i)\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 8x^{14} + 8x^{12} - 8x^{10} + 212x^{8} + 248x^{6} + 368x^{4} + 32x^{2} + 100 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{9} \)
Twist minimal: no (minimal twist has level 420)
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{8} q^{3} + (\beta_{10} - \beta_{4} - \beta_{3}) q^{7} - \beta_{5} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{8} q^{3} + (\beta_{10} - \beta_{4} - \beta_{3}) q^{7} - \beta_{5} q^{9} + (\beta_{7} + \beta_{5} - \beta_{2} + 1) q^{11} + (\beta_{15} + \beta_{14} + \cdots - \beta_{4}) q^{13}+ \cdots + ( - \beta_{5} - \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{11} + 8 q^{21} - 8 q^{23} - 16 q^{37} - 48 q^{43} - 16 q^{51} + 40 q^{53} + 8 q^{57} + 48 q^{67} - 32 q^{71} + 24 q^{77} - 16 q^{81} + 32 q^{91} + 8 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 8x^{14} + 8x^{12} - 8x^{10} + 212x^{8} + 248x^{6} + 368x^{4} + 32x^{2} + 100 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 168 \nu^{14} + 313 \nu^{12} - 16892 \nu^{10} + 53080 \nu^{8} - 40938 \nu^{6} + 450802 \nu^{4} + \cdots + 148090 ) / 255270 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 926 \nu^{14} + 35451 \nu^{12} - 243201 \nu^{10} + 298601 \nu^{8} - 346280 \nu^{6} + \cdots + 5183600 ) / 1276350 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 570 \nu^{15} + 4712 \nu^{13} - 4682 \nu^{11} - 3835 \nu^{9} - 108472 \nu^{7} - 107896 \nu^{5} + \cdots + 194682 \nu ) / 170180 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 5309 \nu^{14} + 52964 \nu^{12} - 133744 \nu^{10} + 152449 \nu^{8} - 925640 \nu^{6} + \cdots - 1778150 ) / 1276350 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 2329 \nu^{14} - 16984 \nu^{12} + 3874 \nu^{10} + 8131 \nu^{8} + 466620 \nu^{6} + 946682 \nu^{4} + \cdots + 235200 ) / 425450 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 11316 \nu^{15} - 8064 \nu^{14} + 98651 \nu^{13} + 44539 \nu^{12} - 144631 \nu^{11} + \cdots + 379600 ) / 2552700 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 7589 \nu^{14} - 54794 \nu^{12} + 7819 \nu^{10} + 33071 \nu^{8} + 1427600 \nu^{6} + 3316632 \nu^{4} + \cdots + 3909500 ) / 1276350 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 7803 \nu^{15} - 62803 \nu^{13} + 63288 \nu^{11} - 43563 \nu^{9} + 1587570 \nu^{7} + \cdots + 415970 \nu ) / 850900 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 12236 \nu^{14} - 94911 \nu^{12} + 60231 \nu^{10} + 17089 \nu^{8} + 2540690 \nu^{6} + 3712778 \nu^{4} + \cdots - 942350 ) / 1276350 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 11316 \nu^{15} - 18682 \nu^{14} - 98651 \nu^{13} + 150467 \nu^{12} + 144631 \nu^{11} + \cdots - 3176700 ) / 2552700 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 16334 \nu^{15} + 18682 \nu^{14} + 101559 \nu^{13} - 150467 \nu^{12} + 102621 \nu^{11} + \cdots + 3176700 ) / 2552700 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 23638 \nu^{15} + 18682 \nu^{14} + 230578 \nu^{13} - 150467 \nu^{12} - 532523 \nu^{11} + \cdots + 3176700 ) / 2552700 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 29273 \nu^{15} + 18682 \nu^{14} + 228943 \nu^{13} - 150467 \nu^{12} - 185753 \nu^{11} + \cdots + 3176700 ) / 2552700 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 15299 \nu^{15} + 33799 \nu^{14} - 127039 \nu^{13} - 251609 \nu^{12} + 162509 \nu^{11} + \cdots + 3102000 ) / 2552700 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 25290 \nu^{15} - 33799 \nu^{14} - 200555 \nu^{13} + 251609 \nu^{12} + 167875 \nu^{11} + \cdots - 3102000 ) / 2552700 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{15} + \beta_{14} + \beta_{13} + \beta_{6} + \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{10} + \beta_{9} - 2\beta_{7} - \beta_{6} - 2\beta_{5} - \beta_{4} + \beta_{2} - \beta _1 + 2 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 3\beta_{13} - \beta_{12} - \beta_{11} - 2\beta_{10} + 3\beta_{8} + 3\beta_{6} + 3\beta_{4} - 4\beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{9} - 6\beta_{7} + \beta_{5} - 3\beta_{4} + 2\beta_{2} + 7 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 14 \beta_{15} - 12 \beta_{14} + 12 \beta_{13} - 8 \beta_{12} - 2 \beta_{11} - 17 \beta_{10} + 13 \beta_{9} + \cdots - 13 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -4\beta_{10} + 7\beta_{9} - 30\beta_{7} - 4\beta_{6} + 8\beta_{5} - 8\beta_{4} + 7\beta_{2} - 4\beta _1 + 51 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 41 \beta_{15} - 19 \beta_{14} + 24 \beta_{13} - 23 \beta_{12} - 6 \beta_{11} - 54 \beta_{10} + 30 \beta_{9} + \cdots - 30 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( -50\beta_{10} + 16\beta_{9} - 178\beta_{7} - 50\beta_{6} + 40\beta_{5} - 52\beta_{4} + 42\beta_{2} - 36\beta _1 + 258 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 155 \beta_{15} - 141 \beta_{14} + 25 \beta_{13} - 122 \beta_{12} - 6 \beta_{11} - 340 \beta_{10} + \cdots - 148 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( - 279 \beta_{10} - 29 \beta_{9} - 980 \beta_{7} - 279 \beta_{6} + 422 \beta_{5} - 281 \beta_{4} + \cdots + 1320 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( 768 \beta_{15} - 1056 \beta_{14} - 421 \beta_{13} - 709 \beta_{12} + 99 \beta_{11} - 2148 \beta_{10} + \cdots - 912 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 1752 \beta_{10} - 878 \beta_{9} - 5128 \beta_{7} - 1752 \beta_{6} + 3166 \beta_{5} - 1154 \beta_{4} + \cdots + 6878 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( 3562 \beta_{15} - 6356 \beta_{14} - 5216 \beta_{13} - 3856 \beta_{12} + 1118 \beta_{11} - 12839 \beta_{10} + \cdots - 4959 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( - 11166 \beta_{10} - 8796 \beta_{9} - 26354 \beta_{7} - 11166 \beta_{6} + 20760 \beta_{5} + \cdots + 33556 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 13138 \beta_{15} - 37998 \beta_{14} - 45324 \beta_{13} - 20110 \beta_{12} + 9788 \beta_{11} + \cdots - 25568 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2100\mathbb{Z}\right)^\times\).

\(n\) \(701\) \(1051\) \(1177\) \(1501\)
\(\chi(n)\) \(1\) \(1\) \(-\beta_{5}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1357.1
0.919224 + 1.30296i
0.550947 0.483398i
−0.522506 1.01508i
−2.36188 + 0.195512i
2.36188 0.195512i
−0.919224 1.30296i
−0.550947 + 0.483398i
0.522506 + 1.01508i
0.919224 1.30296i
0.550947 + 0.483398i
−0.522506 + 1.01508i
−2.36188 0.195512i
2.36188 + 0.195512i
−0.919224 + 1.30296i
−0.550947 0.483398i
0.522506 1.01508i
0 −0.707107 0.707107i 0 0 0 −2.16604 1.51930i 0 1.00000i 0
1357.2 0 −0.707107 0.707107i 0 0 0 −1.05782 + 2.42508i 0 1.00000i 0
1357.3 0 −0.707107 0.707107i 0 0 0 0.235858 + 2.63522i 0 1.00000i 0
1357.4 0 −0.707107 0.707107i 0 0 0 1.57379 2.12678i 0 1.00000i 0
1357.5 0 0.707107 + 0.707107i 0 0 0 −2.12678 + 1.57379i 0 1.00000i 0
1357.6 0 0.707107 + 0.707107i 0 0 0 −1.51930 2.16604i 0 1.00000i 0
1357.7 0 0.707107 + 0.707107i 0 0 0 2.42508 1.05782i 0 1.00000i 0
1357.8 0 0.707107 + 0.707107i 0 0 0 2.63522 + 0.235858i 0 1.00000i 0
1693.1 0 −0.707107 + 0.707107i 0 0 0 −2.16604 + 1.51930i 0 1.00000i 0
1693.2 0 −0.707107 + 0.707107i 0 0 0 −1.05782 2.42508i 0 1.00000i 0
1693.3 0 −0.707107 + 0.707107i 0 0 0 0.235858 2.63522i 0 1.00000i 0
1693.4 0 −0.707107 + 0.707107i 0 0 0 1.57379 + 2.12678i 0 1.00000i 0
1693.5 0 0.707107 0.707107i 0 0 0 −2.12678 1.57379i 0 1.00000i 0
1693.6 0 0.707107 0.707107i 0 0 0 −1.51930 + 2.16604i 0 1.00000i 0
1693.7 0 0.707107 0.707107i 0 0 0 2.42508 + 1.05782i 0 1.00000i 0
1693.8 0 0.707107 0.707107i 0 0 0 2.63522 0.235858i 0 1.00000i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1357.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.c odd 4 1 inner
7.b odd 2 1 inner
35.f even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2100.2.x.d 16
5.b even 2 1 420.2.x.a 16
5.c odd 4 1 420.2.x.a 16
5.c odd 4 1 inner 2100.2.x.d 16
7.b odd 2 1 inner 2100.2.x.d 16
15.d odd 2 1 1260.2.ba.b 16
15.e even 4 1 1260.2.ba.b 16
20.d odd 2 1 1680.2.cz.c 16
20.e even 4 1 1680.2.cz.c 16
35.c odd 2 1 420.2.x.a 16
35.f even 4 1 420.2.x.a 16
35.f even 4 1 inner 2100.2.x.d 16
105.g even 2 1 1260.2.ba.b 16
105.k odd 4 1 1260.2.ba.b 16
140.c even 2 1 1680.2.cz.c 16
140.j odd 4 1 1680.2.cz.c 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
420.2.x.a 16 5.b even 2 1
420.2.x.a 16 5.c odd 4 1
420.2.x.a 16 35.c odd 2 1
420.2.x.a 16 35.f even 4 1
1260.2.ba.b 16 15.d odd 2 1
1260.2.ba.b 16 15.e even 4 1
1260.2.ba.b 16 105.g even 2 1
1260.2.ba.b 16 105.k odd 4 1
1680.2.cz.c 16 20.d odd 2 1
1680.2.cz.c 16 20.e even 4 1
1680.2.cz.c 16 140.c even 2 1
1680.2.cz.c 16 140.j odd 4 1
2100.2.x.d 16 1.a even 1 1 trivial
2100.2.x.d 16 5.c odd 4 1 inner
2100.2.x.d 16 7.b odd 2 1 inner
2100.2.x.d 16 35.f even 4 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{11}^{4} - 4T_{11}^{3} - 8T_{11}^{2} + 16T_{11} - 4 \) acting on \(S_{2}^{\mathrm{new}}(2100, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{4} + 1)^{4} \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( T^{16} - 32 T^{13} + \cdots + 5764801 \) Copy content Toggle raw display
$11$ \( (T^{4} - 4 T^{3} - 8 T^{2} + \cdots - 4)^{4} \) Copy content Toggle raw display
$13$ \( T^{16} + \cdots + 116985856 \) Copy content Toggle raw display
$17$ \( T^{16} + 2224 T^{12} + \cdots + 3748096 \) Copy content Toggle raw display
$19$ \( (T^{8} - 32 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 4 T^{7} + \cdots + 760384)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} + 96 T^{6} + \cdots + 30976)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} + 112 T^{6} + \cdots + 8464)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + 8 T^{7} + \cdots + 7507600)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} + 128 T^{6} + \cdots + 270400)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} + 24 T^{7} + \cdots + 692224)^{2} \) Copy content Toggle raw display
$47$ \( T^{16} + 8704 T^{12} + \cdots + 1048576 \) Copy content Toggle raw display
$53$ \( (T^{8} - 20 T^{7} + \cdots + 1600)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 192 T^{6} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 176 T^{6} + \cdots + 173056)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} - 24 T^{7} + \cdots + 127599616)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 8 T^{3} + \cdots + 5164)^{4} \) Copy content Toggle raw display
$73$ \( T^{16} + \cdots + 133633600000000 \) Copy content Toggle raw display
$79$ \( (T^{8} + 384 T^{6} + \cdots + 262144)^{2} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 655360000 \) Copy content Toggle raw display
$89$ \( (T^{8} - 384 T^{6} + \cdots + 193600)^{2} \) Copy content Toggle raw display
$97$ \( T^{16} + \cdots + 744753706110976 \) Copy content Toggle raw display
show more
show less