Subgroups — C₇⋊D₇ #1029

Order 98.

20 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₇²	C₂	1	1	yes	maximal, characteristic, complemented, Sylow
2	D₇	—	7	8	no	maximal
3	C₇	D₇	1	8	yes	complemented
4	C₂	—	49	1	no	Sylow

	subgroup	G/H
center, Frattini, hypercenter	C₁	G
commutator, Fitting, socle, cosocle, hypocenter	C₇²	C₂
LCS	G ▷ C₇²
UCS	C₁

Splittings G = N ⋊ H with N normal; H ≅ G/N.

N	H ≅ G/N	type
1. C₇²	C₂	semidirect
3. C₇	D₇	semidirect

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroup	index
C₇²	2
D₇	7