Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [312,2,Mod(155,312)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(312, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 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("312.155");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 312 = 2^{3} \cdot 3 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 312.h (of order \(2\), degree \(1\), 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: | \(2.49133254306\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
155.1 | −1.38664 | − | 0.277882i | −0.662918 | − | 1.60017i | 1.84556 | + | 0.770648i | − | 2.38561i | 0.474573 | + | 2.40308i | −2.63829 | −2.34499 | − | 1.58146i | −2.12108 | + | 2.12156i | −0.662918 | + | 3.30799i | |||
155.2 | −1.38664 | − | 0.277882i | −0.662918 | + | 1.60017i | 1.84556 | + | 0.770648i | − | 2.38561i | 1.36389 | − | 2.03465i | 2.63829 | −2.34499 | − | 1.58146i | −2.12108 | − | 2.12156i | −0.662918 | + | 3.30799i | |||
155.3 | −1.38664 | + | 0.277882i | −0.662918 | − | 1.60017i | 1.84556 | − | 0.770648i | 2.38561i | 1.36389 | + | 2.03465i | 2.63829 | −2.34499 | + | 1.58146i | −2.12108 | + | 2.12156i | −0.662918 | − | 3.30799i | ||||
155.4 | −1.38664 | + | 0.277882i | −0.662918 | + | 1.60017i | 1.84556 | − | 0.770648i | 2.38561i | 0.474573 | − | 2.40308i | −2.63829 | −2.34499 | + | 1.58146i | −2.12108 | − | 2.12156i | −0.662918 | − | 3.30799i | ||||
155.5 | −1.30100 | − | 0.554443i | 1.21097 | − | 1.23837i | 1.38519 | + | 1.44266i | 2.18412i | −2.26207 | + | 0.939697i | −0.621089 | −1.00225 | − | 2.64490i | −0.0671052 | − | 2.99925i | 1.21097 | − | 2.84153i | ||||
155.6 | −1.30100 | − | 0.554443i | 1.21097 | + | 1.23837i | 1.38519 | + | 1.44266i | 2.18412i | −0.888863 | − | 2.28253i | 0.621089 | −1.00225 | − | 2.64490i | −0.0671052 | + | 2.99925i | 1.21097 | − | 2.84153i | ||||
155.7 | −1.30100 | + | 0.554443i | 1.21097 | − | 1.23837i | 1.38519 | − | 1.44266i | − | 2.18412i | −0.888863 | + | 2.28253i | 0.621089 | −1.00225 | + | 2.64490i | −0.0671052 | − | 2.99925i | 1.21097 | + | 2.84153i | |||
155.8 | −1.30100 | + | 0.554443i | 1.21097 | + | 1.23837i | 1.38519 | − | 1.44266i | − | 2.18412i | −2.26207 | − | 0.939697i | −0.621089 | −1.00225 | + | 2.64490i | −0.0671052 | + | 2.99925i | 1.21097 | + | 2.84153i | |||
155.9 | −1.05078 | − | 0.946498i | −1.47136 | − | 0.913837i | 0.208283 | + | 1.98912i | − | 1.55453i | 0.681133 | + | 2.35288i | 3.67000 | 1.66384 | − | 2.28727i | 1.32980 | + | 2.68917i | −1.47136 | + | 1.63347i | |||
155.10 | −1.05078 | − | 0.946498i | −1.47136 | + | 0.913837i | 0.208283 | + | 1.98912i | − | 1.55453i | 2.41102 | + | 0.432396i | −3.67000 | 1.66384 | − | 2.28727i | 1.32980 | − | 2.68917i | −1.47136 | + | 1.63347i | |||
155.11 | −1.05078 | + | 0.946498i | −1.47136 | − | 0.913837i | 0.208283 | − | 1.98912i | 1.55453i | 2.41102 | − | 0.432396i | −3.67000 | 1.66384 | + | 2.28727i | 1.32980 | + | 2.68917i | −1.47136 | − | 1.63347i | ||||
155.12 | −1.05078 | + | 0.946498i | −1.47136 | + | 0.913837i | 0.208283 | − | 1.98912i | 1.55453i | 0.681133 | − | 2.35288i | 3.67000 | 1.66384 | + | 2.28727i | 1.32980 | − | 2.68917i | −1.47136 | − | 1.63347i | ||||
155.13 | −0.728344 | − | 1.21224i | 0.423309 | − | 1.67953i | −0.939031 | + | 1.76585i | 0.349197i | −2.34430 | + | 0.710122i | −2.86091 | 2.82456 | − | 0.147818i | −2.64162 | − | 1.42192i | 0.423309 | − | 0.254335i | ||||
155.14 | −0.728344 | − | 1.21224i | 0.423309 | + | 1.67953i | −0.939031 | + | 1.76585i | 0.349197i | 1.72767 | − | 1.73642i | 2.86091 | 2.82456 | − | 0.147818i | −2.64162 | + | 1.42192i | 0.423309 | − | 0.254335i | ||||
155.15 | −0.728344 | + | 1.21224i | 0.423309 | − | 1.67953i | −0.939031 | − | 1.76585i | − | 0.349197i | 1.72767 | + | 1.73642i | 2.86091 | 2.82456 | + | 0.147818i | −2.64162 | − | 1.42192i | 0.423309 | + | 0.254335i | |||
155.16 | −0.728344 | + | 1.21224i | 0.423309 | + | 1.67953i | −0.939031 | − | 1.76585i | − | 0.349197i | −2.34430 | − | 0.710122i | −2.86091 | 2.82456 | + | 0.147818i | −2.64162 | + | 1.42192i | 0.423309 | + | 0.254335i | |||
155.17 | 0.728344 | − | 1.21224i | 0.423309 | − | 1.67953i | −0.939031 | − | 1.76585i | 0.349197i | −1.72767 | − | 1.73642i | −2.86091 | −2.82456 | − | 0.147818i | −2.64162 | − | 1.42192i | 0.423309 | + | 0.254335i | ||||
155.18 | 0.728344 | − | 1.21224i | 0.423309 | + | 1.67953i | −0.939031 | − | 1.76585i | 0.349197i | 2.34430 | + | 0.710122i | 2.86091 | −2.82456 | − | 0.147818i | −2.64162 | + | 1.42192i | 0.423309 | + | 0.254335i | ||||
155.19 | 0.728344 | + | 1.21224i | 0.423309 | − | 1.67953i | −0.939031 | + | 1.76585i | − | 0.349197i | 2.34430 | − | 0.710122i | 2.86091 | −2.82456 | + | 0.147818i | −2.64162 | − | 1.42192i | 0.423309 | − | 0.254335i | |||
155.20 | 0.728344 | + | 1.21224i | 0.423309 | + | 1.67953i | −0.939031 | + | 1.76585i | − | 0.349197i | −1.72767 | + | 1.73642i | −2.86091 | −2.82456 | + | 0.147818i | −2.64162 | + | 1.42192i | 0.423309 | − | 0.254335i | |||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
8.d | odd | 2 | 1 | inner |
13.b | even | 2 | 1 | inner |
24.f | even | 2 | 1 | inner |
39.d | odd | 2 | 1 | inner |
104.h | odd | 2 | 1 | inner |
312.h | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 312.2.h.c | ✓ | 32 |
3.b | odd | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
4.b | odd | 2 | 1 | 1248.2.h.c | 32 | ||
8.b | even | 2 | 1 | 1248.2.h.c | 32 | ||
8.d | odd | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
12.b | even | 2 | 1 | 1248.2.h.c | 32 | ||
13.b | even | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
24.f | even | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
24.h | odd | 2 | 1 | 1248.2.h.c | 32 | ||
39.d | odd | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
52.b | odd | 2 | 1 | 1248.2.h.c | 32 | ||
104.e | even | 2 | 1 | 1248.2.h.c | 32 | ||
104.h | odd | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
156.h | even | 2 | 1 | 1248.2.h.c | 32 | ||
312.b | odd | 2 | 1 | 1248.2.h.c | 32 | ||
312.h | even | 2 | 1 | inner | 312.2.h.c | ✓ | 32 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
312.2.h.c | ✓ | 32 | 1.a | even | 1 | 1 | trivial |
312.2.h.c | ✓ | 32 | 3.b | odd | 2 | 1 | inner |
312.2.h.c | ✓ | 32 | 8.d | odd | 2 | 1 | inner |
312.2.h.c | ✓ | 32 | 13.b | even | 2 | 1 | inner |
312.2.h.c | ✓ | 32 | 24.f | even | 2 | 1 | inner |
312.2.h.c | ✓ | 32 | 39.d | odd | 2 | 1 | inner |
312.2.h.c | ✓ | 32 | 104.h | odd | 2 | 1 | inner |
312.2.h.c | ✓ | 32 | 312.h | even | 2 | 1 | inner |
1248.2.h.c | 32 | 4.b | odd | 2 | 1 | ||
1248.2.h.c | 32 | 8.b | even | 2 | 1 | ||
1248.2.h.c | 32 | 12.b | even | 2 | 1 | ||
1248.2.h.c | 32 | 24.h | odd | 2 | 1 | ||
1248.2.h.c | 32 | 52.b | odd | 2 | 1 | ||
1248.2.h.c | 32 | 104.e | even | 2 | 1 | ||
1248.2.h.c | 32 | 156.h | even | 2 | 1 | ||
1248.2.h.c | 32 | 312.b | odd | 2 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{8} + 13T_{5}^{6} + 54T_{5}^{4} + 72T_{5}^{2} + 8 \) acting on \(S_{2}^{\mathrm{new}}(312, [\chi])\).