Properties

Label 2475.2.d.c
Level $2475$
Weight $2$
Character orbit 2475.d
Analytic conductor $19.763$
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] = [2475,2,Mod(2474,2475)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2475, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([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("2475.2474");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2475 = 3^{2} \cdot 5^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2475.d (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: \(19.7629745003\)
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: \( x^{16} - 4x^{14} + 8x^{12} - 20x^{10} + 49x^{8} - 80x^{6} + 128x^{4} - 256x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{8} \)
Twist minimal: no (minimal twist has level 495)
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.

\(f(q)\) \(=\) \( q + \beta_{3} q^{2} + ( - \beta_{5} - \beta_1 - 1) q^{4} + ( - \beta_{9} - \beta_{2}) q^{7} + (\beta_{15} - \beta_{8} - \beta_{3}) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{2} + ( - \beta_{5} - \beta_1 - 1) q^{4} + ( - \beta_{9} - \beta_{2}) q^{7} + (\beta_{15} - \beta_{8} - \beta_{3}) q^{8} + ( - \beta_{11} - \beta_{9} + \cdots - \beta_{2}) q^{11}+ \cdots + (7 \beta_{10} - 9 \beta_{8} + 5 \beta_{3}) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 16 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 16 q^{4} + 32 q^{16} - 16 q^{34} + 32 q^{38} + 32 q^{47} + 16 q^{49} + 32 q^{53} + 48 q^{64} + 64 q^{77} + 64 q^{91} - 192 q^{92}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4x^{14} + 8x^{12} - 20x^{10} + 49x^{8} - 80x^{6} + 128x^{4} - 256x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{12} + 2\nu^{10} + 12\nu^{6} - 25\nu^{4} - 18\nu^{2} - 24 ) / 40 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{15} - 6\nu^{13} + 3\nu^{11} + 8\nu^{9} + 33\nu^{7} + 58\nu^{5} - 413\nu^{3} + 264\nu ) / 680 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{15} - 4\nu^{13} + 8\nu^{11} - 20\nu^{9} + 49\nu^{7} - 80\nu^{5} + 128\nu^{3} - 128\nu ) / 128 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{15} + 4\nu^{13} - 8\nu^{11} + 20\nu^{9} - 49\nu^{7} + 80\nu^{5} - 128\nu^{3} + 384\nu ) / 128 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 5\nu^{14} - 12\nu^{12} + 24\nu^{10} - 100\nu^{8} + 149\nu^{6} - 200\nu^{4} + 464\nu^{2} - 768 ) / 320 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 19\nu^{14} - 12\nu^{12} + 40\nu^{10} - 188\nu^{8} + 355\nu^{6} - 496\nu^{4} + 976\nu^{2} - 1920 ) / 1088 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -53\nu^{14} + 114\nu^{12} - 176\nu^{10} + 596\nu^{8} - 1341\nu^{6} + 1006\nu^{4} - 2608\nu^{2} + 6272 ) / 2720 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 9\nu^{15} - 8\nu^{13} + 40\nu^{11} - 148\nu^{9} + 265\nu^{7} - 308\nu^{5} + 656\nu^{3} - 1280\nu ) / 640 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 167 \nu^{15} + 492 \nu^{13} - 1096 \nu^{11} + 3084 \nu^{9} - 4151 \nu^{7} + 6464 \nu^{5} + \cdots + 23232 \nu ) / 10880 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 11\nu^{15} - 12\nu^{13} + 40\nu^{11} - 92\nu^{9} + 155\nu^{7} - 272\nu^{5} + 464\nu^{3} - 960\nu ) / 640 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 207\nu^{15} - 392\nu^{13} + 536\nu^{11} - 2764\nu^{9} + 4111\nu^{7} - 6524\nu^{5} + 14384\nu^{3} - 23552\nu ) / 10880 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 191\nu^{14} - 568\nu^{12} + 1032\nu^{10} - 2892\nu^{8} + 6847\nu^{6} - 8812\nu^{4} + 21536\nu^{2} - 34304 ) / 5440 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 15\nu^{14} - 32\nu^{12} + 24\nu^{10} - 140\nu^{8} + 239\nu^{6} - 340\nu^{4} + 784\nu^{2} - 1408 ) / 320 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( -269\nu^{14} + 492\nu^{12} - 1368\nu^{10} + 2948\nu^{8} - 4253\nu^{6} + 7688\nu^{4} - 13904\nu^{2} + 21056 ) / 5440 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 3\nu^{15} - 6\nu^{13} + 10\nu^{11} - 36\nu^{9} + 75\nu^{7} - 66\nu^{5} + 202\nu^{3} - 400\nu ) / 80 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{4} + \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{12} + \beta_{7} - \beta_{5} - \beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{15} - \beta_{11} - \beta_{8} + \beta_{4} + \beta_{3} - 3\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -\beta_{13} - 5\beta_{7} - 2\beta_{6} - \beta_{5} - 2\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 3\beta_{15} - 4\beta_{11} - 2\beta_{10} - 2\beta_{9} + 2\beta_{4} - 2\beta_{3} - \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 2\beta_{14} - 2\beta_{13} + \beta_{12} - 7\beta_{7} + 3\beta_{6} - 2\beta_{5} + \beta _1 + 7 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 3\beta_{15} - 4\beta_{11} - 3\beta_{10} + 5\beta_{9} + 4\beta_{8} + \beta_{4} + 5\beta_{3} + 3\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -\beta_{14} + 6\beta_{12} + 3\beta_{6} - 20\beta_{5} - 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 6\beta_{15} - 12\beta_{11} + 14\beta_{10} + 10\beta_{9} - 12\beta_{8} - 3\beta_{4} + 9\beta_{3} - 6\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -12\beta_{14} - 12\beta_{13} + 3\beta_{12} - 9\beta_{7} - 8\beta_{6} - 11\beta_{5} - 3\beta _1 - 9 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 3\beta_{15} - 47\beta_{11} + 24\beta_{10} - 24\beta_{9} + \beta_{8} + 3\beta_{4} + 3\beta_{3} - 9\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( -23\beta_{13} + 5\beta_{7} + 70\beta_{6} - 3\beta_{5} - 6\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( -11\beta_{15} - 24\beta_{11} + 22\beta_{10} + 22\beta_{9} + 68\beta_{8} + 6\beta_{4} - 6\beta_{3} - 23\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( -22\beta_{14} + 22\beta_{13} - 17\beta_{12} - 29\beta_{7} + 97\beta_{6} - 114\beta_{5} - 17\beta _1 + 29 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 17\beta_{15} + 44\beta_{11} + 163\beta_{10} + 75\beta_{9} - 44\beta_{8} + 51\beta_{4} - 17\beta_{3} + 17\beta_{2} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2475\mathbb{Z}\right)^\times\).

\(n\) \(551\) \(2026\) \(2377\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2474.1
−0.608209 1.27675i
0.608209 1.27675i
0.928970 1.06631i
−0.928970 1.06631i
−1.33286 0.472728i
1.33286 0.472728i
1.41088 0.0971138i
−1.41088 0.0971138i
1.41088 + 0.0971138i
−1.41088 + 0.0971138i
−1.33286 + 0.472728i
1.33286 + 0.472728i
0.928970 + 1.06631i
−0.928970 + 1.06631i
−0.608209 + 1.27675i
0.608209 + 1.27675i
2.55349i 0 −4.52033 0 0 −0.112236 6.43564i 0 0
2474.2 2.55349i 0 −4.52033 0 0 0.112236 6.43564i 0 0
2474.3 2.13262i 0 −2.54806 0 0 −4.95437 1.16881i 0 0
2474.4 2.13262i 0 −2.54806 0 0 4.95437 1.16881i 0 0
2474.5 0.945455i 0 1.10611 0 0 −2.16187 2.93669i 0 0
2474.6 0.945455i 0 1.10611 0 0 2.16187 2.93669i 0 0
2474.7 0.194228i 0 1.96228 0 0 −1.66371 0.769584i 0 0
2474.8 0.194228i 0 1.96228 0 0 1.66371 0.769584i 0 0
2474.9 0.194228i 0 1.96228 0 0 −1.66371 0.769584i 0 0
2474.10 0.194228i 0 1.96228 0 0 1.66371 0.769584i 0 0
2474.11 0.945455i 0 1.10611 0 0 −2.16187 2.93669i 0 0
2474.12 0.945455i 0 1.10611 0 0 2.16187 2.93669i 0 0
2474.13 2.13262i 0 −2.54806 0 0 −4.95437 1.16881i 0 0
2474.14 2.13262i 0 −2.54806 0 0 4.95437 1.16881i 0 0
2474.15 2.55349i 0 −4.52033 0 0 −0.112236 6.43564i 0 0
2474.16 2.55349i 0 −4.52033 0 0 0.112236 6.43564i 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2474.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
11.b odd 2 1 inner
15.d odd 2 1 inner
165.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2475.2.d.c 16
3.b odd 2 1 2475.2.d.b 16
5.b even 2 1 2475.2.d.b 16
5.c odd 4 1 495.2.f.a 16
5.c odd 4 1 2475.2.f.h 16
11.b odd 2 1 inner 2475.2.d.c 16
15.d odd 2 1 inner 2475.2.d.c 16
15.e even 4 1 495.2.f.a 16
15.e even 4 1 2475.2.f.h 16
20.e even 4 1 7920.2.f.g 16
33.d even 2 1 2475.2.d.b 16
55.d odd 2 1 2475.2.d.b 16
55.e even 4 1 495.2.f.a 16
55.e even 4 1 2475.2.f.h 16
60.l odd 4 1 7920.2.f.g 16
165.d even 2 1 inner 2475.2.d.c 16
165.l odd 4 1 495.2.f.a 16
165.l odd 4 1 2475.2.f.h 16
220.i odd 4 1 7920.2.f.g 16
660.q even 4 1 7920.2.f.g 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
495.2.f.a 16 5.c odd 4 1
495.2.f.a 16 15.e even 4 1
495.2.f.a 16 55.e even 4 1
495.2.f.a 16 165.l odd 4 1
2475.2.d.b 16 3.b odd 2 1
2475.2.d.b 16 5.b even 2 1
2475.2.d.b 16 33.d even 2 1
2475.2.d.b 16 55.d odd 2 1
2475.2.d.c 16 1.a even 1 1 trivial
2475.2.d.c 16 11.b odd 2 1 inner
2475.2.d.c 16 15.d odd 2 1 inner
2475.2.d.c 16 165.d even 2 1 inner
2475.2.f.h 16 5.c odd 4 1
2475.2.f.h 16 15.e even 4 1
2475.2.f.h 16 55.e even 4 1
2475.2.f.h 16 165.l odd 4 1
7920.2.f.g 16 20.e even 4 1
7920.2.f.g 16 60.l odd 4 1
7920.2.f.g 16 220.i odd 4 1
7920.2.f.g 16 660.q even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2475, [\chi])\):

\( T_{2}^{8} + 12T_{2}^{6} + 40T_{2}^{4} + 28T_{2}^{2} + 1 \) Copy content Toggle raw display
\( T_{23}^{4} - 56T_{23}^{2} + 32T_{23} + 544 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{8} + 12 T^{6} + 40 T^{4} + \cdots + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( (T^{8} - 32 T^{6} + 196 T^{4} + \cdots + 4)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} - 20 T^{6} + \cdots + 14641)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} - 32 T^{6} + 196 T^{4} + \cdots + 4)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 80 T^{6} + \cdots + 1156)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 80 T^{6} + \cdots + 73984)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} - 56 T^{2} + \cdots + 544)^{4} \) Copy content Toggle raw display
$29$ \( (T^{8} - 208 T^{6} + \cdots + 4804864)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} - 108 T^{2} + \cdots + 2372)^{4} \) Copy content Toggle raw display
$37$ \( (T^{8} + 192 T^{6} + \cdots + 246016)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} - 176 T^{6} + \cdots + 246016)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} - 208 T^{6} + \cdots + 228484)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} - 8 T^{3} + \cdots + 1600)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} - 8 T^{3} + \cdots - 368)^{4} \) Copy content Toggle raw display
$59$ \( (T^{8} + 152 T^{6} + \cdots + 8464)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 448 T^{6} + \cdots + 80856064)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} + 272 T^{6} + \cdots + 541696)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} + 248 T^{6} + \cdots + 4624)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} - 304 T^{6} + \cdots + 334084)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + 304 T^{6} + \cdots + 12544)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 176 T^{6} + \cdots + 2116)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} + 352 T^{6} + \cdots + 16384)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 320 T^{6} + \cdots + 1597696)^{2} \) Copy content Toggle raw display
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