Properties

Label 448.4.i.m
Level $448$
Weight $4$
Character orbit 448.i
Analytic conductor $26.433$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [448,4,Mod(65,448)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(448, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 2]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("448.65");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 448 = 2^{6} \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 448.i (of order \(3\), degree \(2\), 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: \(26.4328556826\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.11163123.4
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 14x^{4} + 49x^{2} + 27 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{6}\cdot 3 \)
Twist minimal: no (minimal twist has level 56)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{5} - \beta_{3} - 2 \beta_1 + 2) q^{3} + (\beta_{5} - \beta_{4} - \beta_1) q^{5} + ( - 3 \beta_{5} - \beta_{4} + 2 \beta_{3} - \beta_{2} + 6 \beta_1 - 2) q^{7} + (7 \beta_{5} - \beta_{4} - 4 \beta_1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{5} - \beta_{3} - 2 \beta_1 + 2) q^{3} + (\beta_{5} - \beta_{4} - \beta_1) q^{5} + ( - 3 \beta_{5} - \beta_{4} + 2 \beta_{3} - \beta_{2} + 6 \beta_1 - 2) q^{7} + (7 \beta_{5} - \beta_{4} - 4 \beta_1) q^{9} + (3 \beta_{4} + 3 \beta_{2}) q^{11} + (\beta_{3} + 3 \beta_{2} + 8) q^{13} + (14 \beta_{3} + \beta_{2} - 38) q^{15} + ( - 13 \beta_{5} - \beta_{4} + 13 \beta_{3} - \beta_{2} - 15 \beta_1 + 15) q^{17} + ( - 2 \beta_{5} - 3 \beta_{4} + 28 \beta_1) q^{19} + ( - 4 \beta_{5} + 2 \beta_{4} - 9 \beta_{3} - \beta_{2} + 49 \beta_1 + 35) q^{21} + (7 \beta_{5} + 2 \beta_{4} - 64 \beta_1) q^{23} + ( - 14 \beta_{5} - 10 \beta_{4} + 14 \beta_{3} - 10 \beta_{2} + 92 \beta_1 - 92) q^{25} + (20 \beta_{3} + 7 \beta_{2} - 152) q^{27} + (7 \beta_{3} - 3 \beta_{2} - 60) q^{29} + (26 \beta_{5} + \beta_{4} - 26 \beta_{3} + \beta_{2} + 122 \beta_1 - 122) q^{31} + ( - 24 \beta_{5} + 27 \beta_1) q^{33} + (16 \beta_{5} - 3 \beta_{4} - 41 \beta_{3} - 13 \beta_{2} - 40 \beta_1 - 66) q^{35} + ( - 14 \beta_{5} - 12 \beta_{4} - 187 \beta_1) q^{37} + ( - 21 \beta_{5} + \beta_{4} + 21 \beta_{3} + \beta_{2} + 38 \beta_1 - 38) q^{39} + ( - 23 \beta_{3} + 11 \beta_{2} + 8) q^{41} + (56 \beta_{3} + 108) q^{43} + ( - 89 \beta_{5} - 13 \beta_{4} + 89 \beta_{3} - 13 \beta_{2} + 436 \beta_1 - 436) q^{45} + ( - 50 \beta_{5} - 3 \beta_{4} - 86 \beta_1) q^{47} + ( - 30 \beta_{5} + 2 \beta_{4} + 27 \beta_{3} + \beta_{2} - 204 \beta_1 - 149) q^{49} + ( - 42 \beta_{5} + 13 \beta_{4} + 312 \beta_1) q^{51} + ( - 28 \beta_{5} - 34 \beta_{4} + 28 \beta_{3} - 34 \beta_{2} - 273 \beta_1 + 273) q^{53} + ( - 3 \beta_{3} + 30 \beta_{2} + 540) q^{55} + ( - 14 \beta_{3} - 2 \beta_{2} + 83) q^{57} + (29 \beta_{5} - 29 \beta_{3} - 590 \beta_1 + 590) q^{59} + ( - 66 \beta_{5} - 4 \beta_{4} + 185 \beta_1) q^{61} + (61 \beta_{5} - 9 \beta_{4} - 92 \beta_{3} - 40 \beta_{2} - 214 \beta_1 + 384) q^{63} + ( - 7 \beta_{5} - 39 \beta_{4} + 568 \beta_1) q^{65} + (7 \beta_{5} - 34 \beta_{4} - 7 \beta_{3} - 34 \beta_{2} - 174 \beta_1 + 174) q^{67} + (83 \beta_{3} + 7 \beta_{2} - 299) q^{69} + ( - 14 \beta_{3} + 6 \beta_{2} - 220) q^{71} + ( - 98 \beta_{5} - 38 \beta_{4} + 98 \beta_{3} - 38 \beta_{2} - 193 \beta_1 + 193) q^{73} + ( - 82 \beta_{5} + 14 \beta_{4} + 472 \beta_1) q^{75} + (69 \beta_{5} - 21 \beta_{4} + 24 \beta_{3} + 6 \beta_{2} + 459 \beta_1 - 27) q^{77} + (7 \beta_{5} + 46 \beta_{4} + 44 \beta_1) q^{79} + ( - 119 \beta_{5} - 7 \beta_{4} + 119 \beta_{3} - 7 \beta_{2} + 799 \beta_1 - 799) q^{81} + (2 \beta_{3} + 30 \beta_{2} - 800) q^{83} + ( - 140 \beta_{3} + 18 \beta_{2} + 273) q^{85} + ( - 71 \beta_{5} + 7 \beta_{4} + 71 \beta_{3} + 7 \beta_{2} + 282 \beta_1 - 282) q^{87} + ( - 72 \beta_{5} - 52 \beta_{4} - 315 \beta_1) q^{89} + (76 \beta_{5} - 40 \beta_{4} - 53 \beta_{3} - 33 \beta_{2} + 408 \beta_1 - 430) q^{91} + ( - 26 \beta_{4} - 449 \beta_1) q^{93} + (49 \beta_{5} - 56 \beta_{4} - 49 \beta_{3} - 56 \beta_{2} + 440 \beta_1 - 440) q^{95} + (263 \beta_{3} - 19 \beta_{2} - 20) q^{97} + ( - 147 \beta_{3} + 57 \beta_{2} + 702) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 7 q^{3} - 3 q^{5} + 4 q^{7} - 18 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q + 7 q^{3} - 3 q^{5} + 4 q^{7} - 18 q^{9} + 3 q^{11} + 52 q^{13} - 254 q^{15} + 31 q^{17} + 89 q^{19} + 375 q^{21} - 201 q^{23} - 300 q^{25} - 938 q^{27} - 380 q^{29} - 339 q^{31} + 105 q^{33} - 473 q^{35} - 535 q^{37} - 134 q^{39} + 116 q^{41} + 536 q^{43} - 1410 q^{45} - 205 q^{47} - 1530 q^{49} + 965 q^{51} + 757 q^{53} + 3306 q^{55} + 522 q^{57} + 1799 q^{59} + 625 q^{61} + 1714 q^{63} + 1750 q^{65} + 495 q^{67} - 1946 q^{69} - 1280 q^{71} + 443 q^{73} + 1484 q^{75} + 1131 q^{77} + 79 q^{79} - 2523 q^{81} - 4744 q^{83} + 1954 q^{85} - 910 q^{87} - 821 q^{89} - 1352 q^{91} - 1321 q^{93} - 1327 q^{95} - 684 q^{97} + 4620 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 14x^{4} + 49x^{2} + 27 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{3} + 7\nu + 3 ) / 6 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 2\nu^{4} + 8\nu^{2} - 27 ) / 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 2\nu^{4} + 20\nu^{2} + 27 ) / 3 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 2\nu^{5} - 2\nu^{4} + 23\nu^{3} - 8\nu^{2} + 81\nu + 27 ) / 6 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 2\nu^{5} + 2\nu^{4} + 23\nu^{3} + 20\nu^{2} + 45\nu + 27 ) / 6 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -2\beta_{5} + 2\beta_{4} + \beta_{3} + \beta_{2} ) / 12 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} - \beta_{2} - 18 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 14\beta_{5} - 14\beta_{4} - 7\beta_{3} - 7\beta_{2} + 72\beta _1 - 36 ) / 12 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -2\beta_{3} + 5\beta_{2} + 63 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -40\beta_{5} + 58\beta_{4} + 20\beta_{3} + 29\beta_{2} - 414\beta _1 + 207 ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/448\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(129\) \(197\)
\(\chi(n)\) \(1\) \(-\beta_{1}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
65.1
0.821510i
2.95906i
2.13755i
0.821510i
2.95906i
2.13755i
0 −1.40222 2.42872i 0 −3.34580 + 5.79509i 0 8.65024 + 16.3760i 0 9.56754 16.5715i 0
65.2 0 0.130780 + 0.226518i 0 9.75047 16.8883i 0 −7.51203 16.9284i 0 13.4658 23.3234i 0
65.3 0 4.77144 + 8.26438i 0 −7.90468 + 13.6913i 0 0.861792 18.5002i 0 −32.0333 + 55.4834i 0
193.1 0 −1.40222 + 2.42872i 0 −3.34580 5.79509i 0 8.65024 16.3760i 0 9.56754 + 16.5715i 0
193.2 0 0.130780 0.226518i 0 9.75047 + 16.8883i 0 −7.51203 + 16.9284i 0 13.4658 + 23.3234i 0
193.3 0 4.77144 8.26438i 0 −7.90468 13.6913i 0 0.861792 + 18.5002i 0 −32.0333 55.4834i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 65.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 448.4.i.m 6
4.b odd 2 1 448.4.i.j 6
7.c even 3 1 inner 448.4.i.m 6
8.b even 2 1 112.4.i.e 6
8.d odd 2 1 56.4.i.b 6
24.f even 2 1 504.4.s.h 6
28.g odd 6 1 448.4.i.j 6
56.e even 2 1 392.4.i.m 6
56.j odd 6 1 784.4.a.bb 3
56.k odd 6 1 56.4.i.b 6
56.k odd 6 1 392.4.a.i 3
56.m even 6 1 392.4.a.l 3
56.m even 6 1 392.4.i.m 6
56.p even 6 1 112.4.i.e 6
56.p even 6 1 784.4.a.be 3
168.v even 6 1 504.4.s.h 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
56.4.i.b 6 8.d odd 2 1
56.4.i.b 6 56.k odd 6 1
112.4.i.e 6 8.b even 2 1
112.4.i.e 6 56.p even 6 1
392.4.a.i 3 56.k odd 6 1
392.4.a.l 3 56.m even 6 1
392.4.i.m 6 56.e even 2 1
392.4.i.m 6 56.m even 6 1
448.4.i.j 6 4.b odd 2 1
448.4.i.j 6 28.g odd 6 1
448.4.i.m 6 1.a even 1 1 trivial
448.4.i.m 6 7.c even 3 1 inner
504.4.s.h 6 24.f even 2 1
504.4.s.h 6 168.v even 6 1
784.4.a.bb 3 56.j odd 6 1
784.4.a.be 3 56.p even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(448, [\chi])\):

\( T_{3}^{6} - 7T_{3}^{5} + 74T_{3}^{4} + 161T_{3}^{3} + 674T_{3}^{2} - 175T_{3} + 49 \) Copy content Toggle raw display
\( T_{11}^{6} - 3T_{11}^{5} + 2322T_{11}^{4} + 84213T_{11}^{3} + 5234058T_{11}^{2} + 89367381T_{11} + 1492817769 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} - 7 T^{5} + 74 T^{4} + 161 T^{3} + \cdots + 49 \) Copy content Toggle raw display
$5$ \( T^{6} + 3 T^{5} + 342 T^{4} + \cdots + 4255969 \) Copy content Toggle raw display
$7$ \( T^{6} - 4 T^{5} + 773 T^{4} + \cdots + 40353607 \) Copy content Toggle raw display
$11$ \( T^{6} - 3 T^{5} + \cdots + 1492817769 \) Copy content Toggle raw display
$13$ \( (T^{3} - 26 T^{2} - 2244 T - 26328)^{2} \) Copy content Toggle raw display
$17$ \( T^{6} - 31 T^{5} + \cdots + 15768076041 \) Copy content Toggle raw display
$19$ \( T^{6} - 89 T^{5} + \cdots + 507555841 \) Copy content Toggle raw display
$23$ \( T^{6} + 201 T^{5} + \cdots + 7342261969 \) Copy content Toggle raw display
$29$ \( (T^{3} + 190 T^{2} + 8476 T - 48504)^{2} \) Copy content Toggle raw display
$31$ \( T^{6} + 339 T^{5} + \cdots + 6524157303049 \) Copy content Toggle raw display
$37$ \( T^{6} + 535 T^{5} + \cdots + 783910139769 \) Copy content Toggle raw display
$41$ \( (T^{3} - 58 T^{2} - 42436 T + 3860392)^{2} \) Copy content Toggle raw display
$43$ \( (T^{3} - 268 T^{2} - 105680 T + 24343488)^{2} \) Copy content Toggle raw display
$47$ \( T^{6} + \cdots + 126279990328969 \) Copy content Toggle raw display
$53$ \( T^{6} - 757 T^{5} + \cdots + 55\!\cdots\!81 \) Copy content Toggle raw display
$59$ \( T^{6} - 1799 T^{5} + \cdots + 38\!\cdots\!89 \) Copy content Toggle raw display
$61$ \( T^{6} + \cdots + 273487351727209 \) Copy content Toggle raw display
$67$ \( T^{6} - 495 T^{5} + \cdots + 12\!\cdots\!41 \) Copy content Toggle raw display
$71$ \( (T^{3} + 640 T^{2} + 122304 T + 7291392)^{2} \) Copy content Toggle raw display
$73$ \( T^{6} - 443 T^{5} + \cdots + 10\!\cdots\!09 \) Copy content Toggle raw display
$79$ \( T^{6} - 79 T^{5} + \cdots + 21\!\cdots\!41 \) Copy content Toggle raw display
$83$ \( (T^{3} + 2372 T^{2} + 1641456 T + 266787264)^{2} \) Copy content Toggle raw display
$89$ \( T^{6} + 821 T^{5} + \cdots + 93\!\cdots\!01 \) Copy content Toggle raw display
$97$ \( (T^{3} + 342 T^{2} - 2726340 T + 217321448)^{2} \) Copy content Toggle raw display
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