Properties

Label 2240.2.e.f
Level $2240$
Weight $2$
Character orbit 2240.e
Analytic conductor $17.886$
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] = [2240,2,Mod(2239,2240)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2240, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 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("2240.2239");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2240 = 2^{6} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2240.e (of order \(2\), degree \(1\), 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: \(17.8864900528\)
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: \( x^{16} - 6x^{14} + 28x^{12} + 16x^{10} - 40x^{8} + 610x^{6} + 1625x^{4} - 524x^{2} + 1444 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{16} \)
Twist minimal: no (minimal twist has level 140)
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.

\(f(q)\) \(=\) \( q - \beta_{7} q^{3} - \beta_{10} q^{5} + (\beta_{8} - \beta_{6}) q^{7} + ( - \beta_{5} + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{7} q^{3} - \beta_{10} q^{5} + (\beta_{8} - \beta_{6}) q^{7} + ( - \beta_{5} + 1) q^{9} - \beta_{11} q^{11} + \beta_{14} q^{13} + ( - \beta_{6} - \beta_1) q^{15} + (\beta_{14} - \beta_{10} + \beta_{2}) q^{17} + \beta_{15} q^{19} + (\beta_{10} + \beta_{9} + \cdots + \beta_{2}) q^{21}+ \cdots + ( - 2 \beta_{11} + 2 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 8 q^{9} + 8 q^{21} + 8 q^{25} + 24 q^{29} - 32 q^{65} - 48 q^{81} + 56 q^{85}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 6x^{14} + 28x^{12} + 16x^{10} - 40x^{8} + 610x^{6} + 1625x^{4} - 524x^{2} + 1444 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 84844 \nu^{14} - 2074564 \nu^{12} + 10863016 \nu^{10} - 108971684 \nu^{8} + 259974236 \nu^{6} + \cdots - 140017061 ) / 2498768831 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 2967085 \nu^{15} + 39930036 \nu^{13} - 191415108 \nu^{11} + 1131088376 \nu^{9} + \cdots + 81935469158 \nu ) / 39980301296 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 4207655 \nu^{15} - 106481348 \nu^{13} + 576987844 \nu^{11} - 2071902984 \nu^{9} + \cdots - 93332422574 \nu ) / 39980301296 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 274551 \nu^{14} - 2939696 \nu^{12} + 13430352 \nu^{10} - 23555944 \nu^{8} - 84357892 \nu^{6} + \cdots - 3209825990 ) / 768851948 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 4034 \nu^{14} - 44446 \nu^{12} + 225632 \nu^{10} - 360443 \nu^{8} - 805342 \nu^{6} + \cdots - 13312648 ) / 10116473 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 778741 \nu^{14} - 5214580 \nu^{12} + 27045620 \nu^{10} - 25125688 \nu^{8} + 6532248 \nu^{6} + \cdots - 1386720738 ) / 1537703896 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 5290343 \nu^{15} + 30566954 \nu^{13} - 139846998 \nu^{11} - 73573152 \nu^{9} + \cdots - 4522635990 \nu ) / 9995075324 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 4087383 \nu^{15} - 18581871 \nu^{13} + 75636915 \nu^{11} + 248960394 \nu^{9} + \cdots + 6038703550 \nu ) / 4997537662 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 40619 \nu^{15} + 221960 \nu^{13} - 1062732 \nu^{11} - 1111276 \nu^{9} + 645500 \nu^{7} + \cdots - 53518138 \nu ) / 31933148 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 51214505 \nu^{15} - 271267084 \nu^{13} + 1118627340 \nu^{11} + 2436041896 \nu^{9} + \cdots - 8462940866 \nu ) / 39980301296 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 4924818 \nu^{14} - 28350288 \nu^{12} + 130546916 \nu^{10} + 92658541 \nu^{8} - 56159602 \nu^{6} + \cdots - 774884638 ) / 2498768831 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 1160909 \nu^{14} - 5994576 \nu^{12} + 20915688 \nu^{10} + 74001744 \nu^{8} - 149350828 \nu^{6} + \cdots - 198617650 ) / 526056596 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 2650265 \nu^{14} - 16104476 \nu^{12} + 78559372 \nu^{10} + 16571240 \nu^{8} + 12504832 \nu^{6} + \cdots - 371424458 ) / 1052113192 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 1659481 \nu^{15} - 10635114 \nu^{13} + 49775130 \nu^{11} + 8859636 \nu^{9} + \cdots - 3111082718 \nu ) / 768851948 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 3799279 \nu^{15} + 24179876 \nu^{13} - 110686692 \nu^{11} - 54427560 \nu^{9} + \cdots + 7322587014 \nu ) / 1537703896 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{15} - \beta_{9} + \beta_{8} - \beta_{7} - 2\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{13} - \beta_{11} - \beta_{6} - \beta_{5} + \beta_{4} + 2 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{15} + 2\beta_{14} - 6\beta_{10} + \beta_{9} + 11\beta_{8} + 3\beta_{7} - 4\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 4\beta_{13} + 2\beta_{12} - 8\beta_{11} + 4\beta_{6} - 2\beta_{4} + \beta _1 - 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -7\beta_{15} - 4\beta_{14} - 16\beta_{10} + 4\beta_{9} + 17\beta_{8} - 7\beta_{7} - 3\beta_{3} - 5\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 9\beta_{13} + 7\beta_{12} - 18\beta_{11} + 3\beta_{6} + 16\beta_{5} - 28\beta_{4} + 16\beta _1 - 92 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -99\beta_{15} - 92\beta_{14} - 56\beta_{10} + 39\beta_{9} + 25\beta_{8} - 85\beta_{7} + 36\beta_{3} + 82\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -48\beta_{13} + 72\beta_{11} - 64\beta_{6} + 150\beta_{5} - 136\beta_{4} - 5\beta _1 - 423 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 341 \beta_{15} - 462 \beta_{14} + 448 \beta_{10} - 145 \beta_{9} - 757 \beta_{8} + \cdots + 534 \beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -465\beta_{13} - 303\beta_{12} + 957\beta_{11} - 327\beta_{6} + 451\beta_{5} - 210\beta_{4} - 430\beta _1 - 584 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 152 \beta_{15} - 50 \beta_{14} + 1677 \beta_{10} - 1081 \beta_{9} - 2875 \beta_{8} + \cdots + 1096 \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( - 2012 \beta_{13} - 1766 \beta_{12} + 4427 \beta_{11} + 172 \beta_{6} - 1653 \beta_{5} + 2010 \beta_{4} + \cdots + 6211 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 10541 \beta_{15} + 11792 \beta_{14} + 11678 \beta_{10} - 8293 \beta_{9} - 19633 \beta_{8} + \cdots + 2676 \beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 1697 \beta_{13} - 2936 \beta_{12} + 4781 \beta_{11} + 10817 \beta_{6} - 22427 \beta_{5} + \cdots + 57296 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 63061 \beta_{15} + 79350 \beta_{14} - 4514 \beta_{10} + 6869 \beta_{9} + 19059 \beta_{8} + \cdots - 38956 \beta_{2} ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2240\mathbb{Z}\right)^\times\).

\(n\) \(897\) \(1471\) \(1541\) \(1921\)
\(\chi(n)\) \(-1\) \(-1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2239.1
0.328458 1.49331i
1.61596 + 1.02509i
−0.328458 1.49331i
−1.61596 + 1.02509i
2.05580 0.953651i
−0.744612 0.556573i
−2.05580 0.953651i
0.744612 0.556573i
−0.744612 + 0.556573i
2.05580 + 0.953651i
0.744612 + 0.556573i
−2.05580 + 0.953651i
1.61596 1.02509i
0.328458 + 1.49331i
−1.61596 1.02509i
−0.328458 + 1.49331i
0 2.13578i 0 −1.94442 1.10418i 0 −2.35829 + 1.19935i 0 −1.56155 0
2239.2 0 2.13578i 0 −1.94442 + 1.10418i 0 2.35829 + 1.19935i 0 −1.56155 0
2239.3 0 2.13578i 0 1.94442 1.10418i 0 −2.35829 + 1.19935i 0 −1.56155 0
2239.4 0 2.13578i 0 1.94442 + 1.10418i 0 2.35829 + 1.19935i 0 −1.56155 0
2239.5 0 0.662153i 0 −1.31119 1.81129i 0 −1.19935 2.35829i 0 2.56155 0
2239.6 0 0.662153i 0 −1.31119 + 1.81129i 0 1.19935 2.35829i 0 2.56155 0
2239.7 0 0.662153i 0 1.31119 1.81129i 0 −1.19935 2.35829i 0 2.56155 0
2239.8 0 0.662153i 0 1.31119 + 1.81129i 0 1.19935 2.35829i 0 2.56155 0
2239.9 0 0.662153i 0 −1.31119 1.81129i 0 1.19935 + 2.35829i 0 2.56155 0
2239.10 0 0.662153i 0 −1.31119 + 1.81129i 0 −1.19935 + 2.35829i 0 2.56155 0
2239.11 0 0.662153i 0 1.31119 1.81129i 0 1.19935 + 2.35829i 0 2.56155 0
2239.12 0 0.662153i 0 1.31119 + 1.81129i 0 −1.19935 + 2.35829i 0 2.56155 0
2239.13 0 2.13578i 0 −1.94442 1.10418i 0 2.35829 1.19935i 0 −1.56155 0
2239.14 0 2.13578i 0 −1.94442 + 1.10418i 0 −2.35829 1.19935i 0 −1.56155 0
2239.15 0 2.13578i 0 1.94442 1.10418i 0 2.35829 1.19935i 0 −1.56155 0
2239.16 0 2.13578i 0 1.94442 + 1.10418i 0 −2.35829 1.19935i 0 −1.56155 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2239.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
5.b even 2 1 inner
7.b odd 2 1 inner
20.d odd 2 1 inner
28.d even 2 1 inner
35.c odd 2 1 inner
140.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2240.2.e.f 16
4.b odd 2 1 inner 2240.2.e.f 16
5.b even 2 1 inner 2240.2.e.f 16
7.b odd 2 1 inner 2240.2.e.f 16
8.b even 2 1 140.2.c.b 16
8.d odd 2 1 140.2.c.b 16
20.d odd 2 1 inner 2240.2.e.f 16
28.d even 2 1 inner 2240.2.e.f 16
35.c odd 2 1 inner 2240.2.e.f 16
40.e odd 2 1 140.2.c.b 16
40.f even 2 1 140.2.c.b 16
40.i odd 4 2 700.2.g.l 16
40.k even 4 2 700.2.g.l 16
56.e even 2 1 140.2.c.b 16
56.h odd 2 1 140.2.c.b 16
56.j odd 6 2 980.2.s.f 32
56.k odd 6 2 980.2.s.f 32
56.m even 6 2 980.2.s.f 32
56.p even 6 2 980.2.s.f 32
140.c even 2 1 inner 2240.2.e.f 16
280.c odd 2 1 140.2.c.b 16
280.n even 2 1 140.2.c.b 16
280.s even 4 2 700.2.g.l 16
280.y odd 4 2 700.2.g.l 16
280.ba even 6 2 980.2.s.f 32
280.bf even 6 2 980.2.s.f 32
280.bi odd 6 2 980.2.s.f 32
280.bk odd 6 2 980.2.s.f 32
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
140.2.c.b 16 8.b even 2 1
140.2.c.b 16 8.d odd 2 1
140.2.c.b 16 40.e odd 2 1
140.2.c.b 16 40.f even 2 1
140.2.c.b 16 56.e even 2 1
140.2.c.b 16 56.h odd 2 1
140.2.c.b 16 280.c odd 2 1
140.2.c.b 16 280.n even 2 1
700.2.g.l 16 40.i odd 4 2
700.2.g.l 16 40.k even 4 2
700.2.g.l 16 280.s even 4 2
700.2.g.l 16 280.y odd 4 2
980.2.s.f 32 56.j odd 6 2
980.2.s.f 32 56.k odd 6 2
980.2.s.f 32 56.m even 6 2
980.2.s.f 32 56.p even 6 2
980.2.s.f 32 280.ba even 6 2
980.2.s.f 32 280.bf even 6 2
980.2.s.f 32 280.bi odd 6 2
980.2.s.f 32 280.bk odd 6 2
2240.2.e.f 16 1.a even 1 1 trivial
2240.2.e.f 16 4.b odd 2 1 inner
2240.2.e.f 16 5.b even 2 1 inner
2240.2.e.f 16 7.b odd 2 1 inner
2240.2.e.f 16 20.d odd 2 1 inner
2240.2.e.f 16 28.d even 2 1 inner
2240.2.e.f 16 35.c odd 2 1 inner
2240.2.e.f 16 140.c 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 \(S_{2}^{\mathrm{new}}(2240, [\chi])\):

\( T_{3}^{4} + 5T_{3}^{2} + 2 \) Copy content Toggle raw display
\( T_{11}^{4} + 15T_{11}^{2} + 52 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{4} + 5 T^{2} + 2)^{4} \) Copy content Toggle raw display
$5$ \( (T^{8} - 2 T^{6} + \cdots + 625)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} + 30 T^{4} + 2401)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} + 15 T^{2} + 52)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} - 23 T^{2} + 26)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 29 T^{2} + 104)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} - 38 T^{2} + 208)^{4} \) Copy content Toggle raw display
$23$ \( (T^{4} - 40 T^{2} + 128)^{4} \) Copy content Toggle raw display
$29$ \( (T^{2} - 3 T - 2)^{8} \) Copy content Toggle raw display
$31$ \( (T^{4} - 120 T^{2} + 3328)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 44 T^{2} + 416)^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} + 72)^{8} \) Copy content Toggle raw display
$43$ \( (T^{4} - 20 T^{2} + 32)^{4} \) Copy content Toggle raw display
$47$ \( (T^{4} + 95 T^{2} + 8)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} + 164 T^{2} + 6656)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} - 270 T^{2} + 13312)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} + 42 T^{2} + 16)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} - 28 T^{2} + 128)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 236 T^{2} + 13312)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} - 116 T^{2} + 1664)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 115 T^{2} + 208)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} + 170 T^{2} + 2312)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 8)^{8} \) Copy content Toggle raw display
$97$ \( (T^{4} - 261 T^{2} + 8424)^{4} \) Copy content Toggle raw display
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