Siegel modular forms for $M_{k-1/2}\left(\Gamma_0(4)\right)$

Dimension table of spaces of degree 2 Siegel modular forms

The table below lists, for each bold value of $k$ in the header, the dimensions of the following subspaces of $M_{k-1/2}\left(\Gamma_0(4)\right)$:

• Total: The full space.
• Non cusp: The codimension of the subspace of cusp forms.
• Cusp: The subspace of cusp forms.

	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Total	1	1	3	4	7	9	14	17	24	29	38	45	57	66	81	93	111	126	148	166
Non cusp	1	1	3	4	7	7	10	12	17	20	27	32	41	48	60	69	84	96	114	129
Cusp	0	0	0	0	0	2	4	5	7	9	11	13	16	18	21	24	27	30	34	37

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