Properties

Label 605.2.m.b
Level $605$
Weight $2$
Character orbit 605.m
Analytic conductor $4.831$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $16$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [605,2,Mod(112,605)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(605, base_ring=CyclotomicField(20))
 
chi = DirichletCharacter(H, H._module([5, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("605.112");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 605 = 5 \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 605.m (of order \(20\), degree \(8\), 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: \(4.83094932229\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(2\) over \(\Q(\zeta_{20})\)
Coefficient field: \(\Q(\zeta_{40})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - x^{12} + x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 5^{4} \)
Twist minimal: no (minimal twist has level 55)
Sato-Tate group: $\mathrm{SU}(2)[C_{20}]$

$q$-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.

\(f(q)\) \(=\) \( q + (\beta_{15} + \beta_{12} + \cdots + \beta_{9}) q^{2}+ \cdots - \beta_{7} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{15} + \beta_{12} + \cdots + \beta_{9}) q^{2}+ \cdots + 7 \beta_{10} q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 4 q^{3} + 8 q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 4 q^{3} + 8 q^{5} + 48 q^{12} - 4 q^{15} - 4 q^{16} - 12 q^{20} - 16 q^{23} - 12 q^{25} + 40 q^{26} + 16 q^{27} - 8 q^{31} - 12 q^{36} - 12 q^{37} - 40 q^{38} - 16 q^{45} - 12 q^{47} + 4 q^{48} + 4 q^{53} + 40 q^{58} + 36 q^{60} + 48 q^{67} + 32 q^{71} - 4 q^{75} + 160 q^{78} + 8 q^{80} - 20 q^{81} - 40 q^{82} - 12 q^{92} + 8 q^{93} + 28 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{40}^{2} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{40}^{4} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \zeta_{40}^{6} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \zeta_{40}^{8} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \zeta_{40}^{10} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \zeta_{40}^{12} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( \zeta_{40}^{14} \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( \zeta_{40}^{13} + 2\zeta_{40}^{5} - 2\zeta_{40} \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( -\zeta_{40}^{15} - 2\zeta_{40}^{7} + 2\zeta_{40}^{3} \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( -2\zeta_{40}^{9} + \zeta_{40}^{5} - 2\zeta_{40} \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( -2\zeta_{40}^{11} + \zeta_{40}^{7} - 2\zeta_{40}^{3} \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( 2\zeta_{40}^{15} - \zeta_{40}^{11} + 2\zeta_{40}^{7} \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( -\zeta_{40}^{13} - \zeta_{40}^{9} + \zeta_{40}^{5} + \zeta_{40} \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( 2\zeta_{40}^{13} - 2\zeta_{40}^{9} - \zeta_{40} \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( -2\zeta_{40}^{15} + 2\zeta_{40}^{11} + \zeta_{40}^{3} \) Copy content Toggle raw display
\(\zeta_{40}\)\(=\) \( ( \beta_{14} + 2\beta_{13} - 2\beta_{10} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{2}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{40}^{3}\)\(=\) \( ( \beta_{15} + 2\beta_{12} + 2\beta_{9} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{4}\)\(=\) \( \beta_{2} \) Copy content Toggle raw display
\(\zeta_{40}^{5}\)\(=\) \( ( 2\beta_{13} - \beta_{10} + 2\beta_{8} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{6}\)\(=\) \( \beta_{3} \) Copy content Toggle raw display
\(\zeta_{40}^{7}\)\(=\) \( ( 2\beta_{15} + 2\beta_{12} + \beta_{11} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{8}\)\(=\) \( \beta_{4} \) Copy content Toggle raw display
\(\zeta_{40}^{9}\)\(=\) \( ( -\beta_{14} - \beta_{13} - \beta_{10} + \beta_{8} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{10}\)\(=\) \( \beta_{5} \) Copy content Toggle raw display
\(\zeta_{40}^{11}\)\(=\) \( ( -\beta_{12} - 2\beta_{11} - 2\beta_{9} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{12}\)\(=\) \( \beta_{6} \) Copy content Toggle raw display
\(\zeta_{40}^{13}\)\(=\) \( ( 2\beta_{14} - 2\beta_{10} + \beta_{8} ) / 5 \) Copy content Toggle raw display
\(\zeta_{40}^{14}\)\(=\) \( \beta_{7} \) Copy content Toggle raw display
\(\zeta_{40}^{15}\)\(=\) \( ( -2\beta_{15} - 2\beta_{11} - \beta_{9} ) / 5 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/605\mathbb{Z}\right)^\times\).

\(n\) \(122\) \(486\)
\(\chi(n)\) \(\beta_{5}\) \(-\beta_{4}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
112.1
0.453990 0.891007i
−0.453990 + 0.891007i
−0.987688 + 0.156434i
0.987688 0.156434i
0.891007 + 0.453990i
−0.891007 0.453990i
−0.987688 0.156434i
0.987688 + 0.156434i
−0.156434 + 0.987688i
0.156434 0.987688i
0.891007 0.453990i
−0.891007 + 0.453990i
0.453990 + 0.891007i
−0.453990 0.891007i
−0.156434 0.987688i
0.156434 + 0.987688i
−1.01515 1.99235i 0.221232 1.39680i −1.76336 + 2.42705i −1.56909 1.59310i −3.00750 + 0.977198i 0 2.20854 + 0.349798i 0.951057 + 0.309017i −1.58114 + 4.74342i
112.2 1.01515 + 1.99235i 0.221232 1.39680i −1.76336 + 2.42705i −1.56909 1.59310i 3.00750 0.977198i 0 −2.20854 0.349798i 0.951057 + 0.309017i 1.58114 4.74342i
118.1 −2.20854 0.349798i 0.642040 1.26007i 2.85317 + 0.927051i 1.03025 + 1.98459i −1.85874 + 2.55834i 0 −1.99235 1.01515i 0.587785 + 0.809017i −1.58114 4.74342i
118.2 2.20854 + 0.349798i 0.642040 1.26007i 2.85317 + 0.927051i 1.03025 + 1.98459i 1.85874 2.55834i 0 1.99235 + 1.01515i 0.587785 + 0.809017i 1.58114 + 4.74342i
233.1 −1.99235 + 1.01515i 1.39680 + 0.221232i 1.76336 2.42705i 0.333023 2.21113i −3.00750 + 0.977198i 0 −0.349798 + 2.20854i −0.951057 0.309017i 1.58114 + 4.74342i
233.2 1.99235 1.01515i 1.39680 + 0.221232i 1.76336 2.42705i 0.333023 2.21113i 3.00750 0.977198i 0 0.349798 2.20854i −0.951057 0.309017i −1.58114 4.74342i
282.1 −2.20854 + 0.349798i 0.642040 + 1.26007i 2.85317 0.927051i 1.03025 1.98459i −1.85874 2.55834i 0 −1.99235 + 1.01515i 0.587785 0.809017i −1.58114 + 4.74342i
282.2 2.20854 0.349798i 0.642040 + 1.26007i 2.85317 0.927051i 1.03025 1.98459i 1.85874 + 2.55834i 0 1.99235 1.01515i 0.587785 0.809017i 1.58114 4.74342i
403.1 −0.349798 2.20854i −1.26007 + 0.642040i −2.85317 + 0.927051i 2.20582 0.366554i 1.85874 + 2.55834i 0 1.01515 + 1.99235i −0.587785 + 0.809017i −1.58114 4.74342i
403.2 0.349798 + 2.20854i −1.26007 + 0.642040i −2.85317 + 0.927051i 2.20582 0.366554i −1.85874 2.55834i 0 −1.01515 1.99235i −0.587785 + 0.809017i 1.58114 + 4.74342i
457.1 −1.99235 1.01515i 1.39680 0.221232i 1.76336 + 2.42705i 0.333023 + 2.21113i −3.00750 0.977198i 0 −0.349798 2.20854i −0.951057 + 0.309017i 1.58114 4.74342i
457.2 1.99235 + 1.01515i 1.39680 0.221232i 1.76336 + 2.42705i 0.333023 + 2.21113i 3.00750 + 0.977198i 0 0.349798 + 2.20854i −0.951057 + 0.309017i −1.58114 + 4.74342i
578.1 −1.01515 + 1.99235i 0.221232 + 1.39680i −1.76336 2.42705i −1.56909 + 1.59310i −3.00750 0.977198i 0 2.20854 0.349798i 0.951057 0.309017i −1.58114 4.74342i
578.2 1.01515 1.99235i 0.221232 + 1.39680i −1.76336 2.42705i −1.56909 + 1.59310i 3.00750 + 0.977198i 0 −2.20854 + 0.349798i 0.951057 0.309017i 1.58114 + 4.74342i
602.1 −0.349798 + 2.20854i −1.26007 0.642040i −2.85317 0.927051i 2.20582 + 0.366554i 1.85874 2.55834i 0 1.01515 1.99235i −0.587785 0.809017i −1.58114 + 4.74342i
602.2 0.349798 2.20854i −1.26007 0.642040i −2.85317 0.927051i 2.20582 + 0.366554i −1.85874 + 2.55834i 0 −1.01515 + 1.99235i −0.587785 0.809017i 1.58114 4.74342i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 112.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.c odd 4 1 inner
11.b odd 2 1 inner
11.c even 5 3 inner
11.d odd 10 3 inner
55.e even 4 1 inner
55.k odd 20 3 inner
55.l even 20 3 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 605.2.m.b 16
5.c odd 4 1 inner 605.2.m.b 16
11.b odd 2 1 inner 605.2.m.b 16
11.c even 5 1 55.2.e.a 4
11.c even 5 3 inner 605.2.m.b 16
11.d odd 10 1 55.2.e.a 4
11.d odd 10 3 inner 605.2.m.b 16
33.f even 10 1 495.2.k.b 4
33.h odd 10 1 495.2.k.b 4
44.g even 10 1 880.2.bd.e 4
44.h odd 10 1 880.2.bd.e 4
55.e even 4 1 inner 605.2.m.b 16
55.h odd 10 1 275.2.e.b 4
55.j even 10 1 275.2.e.b 4
55.k odd 20 1 55.2.e.a 4
55.k odd 20 1 275.2.e.b 4
55.k odd 20 3 inner 605.2.m.b 16
55.l even 20 1 55.2.e.a 4
55.l even 20 1 275.2.e.b 4
55.l even 20 3 inner 605.2.m.b 16
165.u odd 20 1 495.2.k.b 4
165.v even 20 1 495.2.k.b 4
220.v even 20 1 880.2.bd.e 4
220.w odd 20 1 880.2.bd.e 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
55.2.e.a 4 11.c even 5 1
55.2.e.a 4 11.d odd 10 1
55.2.e.a 4 55.k odd 20 1
55.2.e.a 4 55.l even 20 1
275.2.e.b 4 55.h odd 10 1
275.2.e.b 4 55.j even 10 1
275.2.e.b 4 55.k odd 20 1
275.2.e.b 4 55.l even 20 1
495.2.k.b 4 33.f even 10 1
495.2.k.b 4 33.h odd 10 1
495.2.k.b 4 165.u odd 20 1
495.2.k.b 4 165.v even 20 1
605.2.m.b 16 1.a even 1 1 trivial
605.2.m.b 16 5.c odd 4 1 inner
605.2.m.b 16 11.b odd 2 1 inner
605.2.m.b 16 11.c even 5 3 inner
605.2.m.b 16 11.d odd 10 3 inner
605.2.m.b 16 55.e even 4 1 inner
605.2.m.b 16 55.k odd 20 3 inner
605.2.m.b 16 55.l even 20 3 inner
880.2.bd.e 4 44.g even 10 1
880.2.bd.e 4 44.h odd 10 1
880.2.bd.e 4 220.v even 20 1
880.2.bd.e 4 220.w odd 20 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{16} - 25T_{2}^{12} + 625T_{2}^{8} - 15625T_{2}^{4} + 390625 \) acting on \(S_{2}^{\mathrm{new}}(605, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} - 25 T^{12} + \cdots + 390625 \) Copy content Toggle raw display
$3$ \( (T^{8} - 2 T^{7} + 2 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$5$ \( (T^{8} - 4 T^{7} + \cdots + 625)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( T^{16} \) Copy content Toggle raw display
$13$ \( T^{16} + \cdots + 25600000000 \) Copy content Toggle raw display
$17$ \( T^{16} + \cdots + 25600000000 \) Copy content Toggle raw display
$19$ \( (T^{8} + 40 T^{6} + \cdots + 2560000)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + 2 T + 2)^{8} \) Copy content Toggle raw display
$29$ \( (T^{8} + 40 T^{6} + \cdots + 2560000)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} + 2 T^{3} + 4 T^{2} + \cdots + 16)^{4} \) Copy content Toggle raw display
$37$ \( (T^{8} + 6 T^{7} + \cdots + 104976)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} - 40 T^{6} + \cdots + 2560000)^{2} \) Copy content Toggle raw display
$43$ \( T^{16} \) Copy content Toggle raw display
$47$ \( (T^{8} + 6 T^{7} + \cdots + 104976)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} - 2 T^{7} + 2 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 36 T^{6} + \cdots + 1679616)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 40 T^{6} + \cdots + 2560000)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} - 6 T + 18)^{8} \) Copy content Toggle raw display
$71$ \( (T^{4} - 8 T^{3} + \cdots + 4096)^{4} \) Copy content Toggle raw display
$73$ \( T^{16} + \cdots + 25600000000 \) Copy content Toggle raw display
$79$ \( (T^{8} + 40 T^{6} + \cdots + 2560000)^{2} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 16\!\cdots\!00 \) Copy content Toggle raw display
$89$ \( (T^{2} + 36)^{8} \) Copy content Toggle raw display
$97$ \( (T^{8} - 14 T^{7} + \cdots + 92236816)^{2} \) Copy content Toggle raw display
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