Properties

Label 1856.1.h
Level $1856$
Weight $1$
Character orbit 1856.h
Rep. character $\chi_{1856}(1855,\cdot)$
Character field $\Q$
Dimension $5$
Newform subspaces $4$
Sturm bound $240$
Trace bound $3$

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Defining parameters

Level: \( N \) \(=\) \( 1856 = 2^{6} \cdot 29 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1856.h (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 116 \)
Character field: \(\Q\)
Newform subspaces: \( 4 \)
Sturm bound: \(240\)
Trace bound: \(3\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(1856, [\chi])\).

Total New Old
Modular forms 36 7 29
Cusp forms 24 5 19
Eisenstein series 12 2 10

The following table gives the dimensions of subspaces with specified projective image type.

\(D_n\) \(A_4\) \(S_4\) \(A_5\)
Dimension 5 0 0 0

Trace form

\( 5 q + 2 q^{5} + 3 q^{9} + O(q^{10}) \) \( 5 q + 2 q^{5} + 3 q^{9} + 2 q^{13} + 3 q^{25} + q^{29} - 4 q^{33} + 6 q^{45} + 5 q^{49} + 2 q^{53} - 4 q^{57} - 4 q^{65} + q^{81} + 4 q^{93} + O(q^{100}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(1856, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field Image CM RM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1856.1.h.a 1856.h 116.d $1$ $0.926$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-29}) \) None \(0\) \(-1\) \(1\) \(0\) \(q-q^{3}+q^{5}-q^{11}+q^{13}-q^{15}+2q^{19}+\cdots\)
1856.1.h.b 1856.h 116.d $1$ $0.926$ \(\Q\) $D_{2}$ \(\Q(\sqrt{-1}) \), \(\Q(\sqrt{-29}) \) \(\Q(\sqrt{29}) \) \(0\) \(0\) \(-2\) \(0\) \(q-2q^{5}-q^{9}+2q^{13}+3q^{25}+q^{29}+\cdots\)
1856.1.h.c 1856.h 116.d $1$ $0.926$ \(\Q\) $D_{3}$ \(\Q(\sqrt{-29}) \) None \(0\) \(1\) \(1\) \(0\) \(q+q^{3}+q^{5}+q^{11}+q^{13}+q^{15}-2q^{19}+\cdots\)
1856.1.h.d 1856.h 116.d $2$ $0.926$ \(\Q(\sqrt{3}) \) $D_{6}$ \(\Q(\sqrt{-29}) \) None \(0\) \(0\) \(2\) \(0\) \(q-\beta q^{3}+q^{5}+2q^{9}+\beta q^{11}-q^{13}+\cdots\)

Decomposition of \(S_{1}^{\mathrm{old}}(1856, [\chi])\) into lower level spaces

\( S_{1}^{\mathrm{old}}(1856, [\chi]) \cong \)