Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [241,4,Mod(1,241)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(241, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0]))
N = Newforms(chi, 4, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("241.1");
S:= CuspForms(chi, 4);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 241 \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 241.a (trivial) |
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: | yes |
Analytic conductor: | \(14.2194603114\) |
Analytic rank: | \(1\) |
Dimension: | \(27\) |
Twist minimal: | yes |
Fricke sign: | \(-1\) |
Sato-Tate group: | $\mathrm{SU}(2)$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1.1 | −5.59631 | −3.12024 | 23.3186 | 8.77168 | 17.4618 | 9.90189 | −85.7278 | −17.2641 | −49.0890 | ||||||||||||||||||
1.2 | −5.21700 | 9.42536 | 19.2171 | −17.8519 | −49.1722 | 19.3015 | −58.5198 | 61.8375 | 93.1336 | ||||||||||||||||||
1.3 | −4.87301 | −4.30023 | 15.7463 | −19.3755 | 20.9551 | 9.98357 | −37.7476 | −8.50805 | 94.4170 | ||||||||||||||||||
1.4 | −4.64628 | 3.53512 | 13.5879 | 4.48471 | −16.4252 | 6.79583 | −25.9629 | −14.5029 | −20.8372 | ||||||||||||||||||
1.5 | −4.28434 | −6.33964 | 10.3556 | 10.6688 | 27.1611 | −35.4898 | −10.0920 | 13.1910 | −45.7088 | ||||||||||||||||||
1.6 | −4.14836 | 2.24806 | 9.20886 | 21.1319 | −9.32575 | −15.0304 | −5.01477 | −21.9462 | −87.6627 | ||||||||||||||||||
1.7 | −3.18179 | 4.58295 | 2.12378 | −14.4646 | −14.5820 | 12.2833 | 18.6969 | −5.99653 | 46.0234 | ||||||||||||||||||
1.8 | −2.84018 | 8.62520 | 0.0666386 | −7.97639 | −24.4972 | −22.2917 | 22.5322 | 47.3942 | 22.6544 | ||||||||||||||||||
1.9 | −2.63940 | −6.71827 | −1.03357 | −8.36175 | 17.7322 | −2.54579 | 23.8432 | 18.1352 | 22.0700 | ||||||||||||||||||
1.10 | −2.58300 | 0.0893746 | −1.32809 | 6.47115 | −0.230855 | −8.59546 | 24.0945 | −26.9920 | −16.7150 | ||||||||||||||||||
1.11 | −2.40822 | −10.0449 | −2.20046 | −12.6631 | 24.1903 | −2.75837 | 24.5650 | 73.8996 | 30.4955 | ||||||||||||||||||
1.12 | −1.15052 | −0.498406 | −6.67631 | 4.77789 | 0.573425 | 19.5308 | 16.8854 | −26.7516 | −5.49706 | ||||||||||||||||||
1.13 | −1.10812 | 6.51375 | −6.77208 | 8.81779 | −7.21799 | −21.1914 | 16.3692 | 15.4289 | −9.77114 | ||||||||||||||||||
1.14 | −0.811481 | −5.90200 | −7.34150 | −7.73839 | 4.78936 | 32.9464 | 12.4493 | 7.83362 | 6.27956 | ||||||||||||||||||
1.15 | −0.462625 | −8.37696 | −7.78598 | 11.3790 | 3.87539 | −4.75271 | 7.30299 | 43.1735 | −5.26423 | ||||||||||||||||||
1.16 | 0.152600 | 3.98082 | −7.97671 | −2.58440 | 0.607471 | 15.5864 | −2.43804 | −11.1531 | −0.394379 | ||||||||||||||||||
1.17 | 1.23918 | 6.96372 | −6.46444 | −6.97348 | 8.62929 | −12.0894 | −17.9240 | 21.4934 | −8.64138 | ||||||||||||||||||
1.18 | 1.69085 | 0.0833126 | −5.14104 | 6.44616 | 0.140869 | −0.0535401 | −22.2195 | −26.9931 | 10.8995 | ||||||||||||||||||
1.19 | 2.38301 | −1.61433 | −2.32128 | 18.2573 | −3.84696 | −23.9963 | −24.5957 | −24.3939 | 43.5074 | ||||||||||||||||||
1.20 | 2.85644 | −9.32237 | 0.159225 | 8.64408 | −26.6287 | 22.6615 | −22.3967 | 59.9066 | 24.6913 | ||||||||||||||||||
See all 27 embeddings |
Atkin-Lehner signs
\( p \) | Sign |
---|---|
\(241\) | \(-1\) |
Inner twists
This newform does not admit any (nontrivial) inner twists.
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 241.4.a.a | ✓ | 27 |
3.b | odd | 2 | 1 | 2169.4.a.b | 27 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
241.4.a.a | ✓ | 27 | 1.a | even | 1 | 1 | trivial |
2169.4.a.b | 27 | 3.b | odd | 2 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{27} + 11 T_{2}^{26} - 92 T_{2}^{25} - 1354 T_{2}^{24} + 2703 T_{2}^{23} + 72157 T_{2}^{22} + \cdots + 17638992000 \) acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(241))\).