C₇×#4055 #11765153

order	1120
automorphism	?
homology	Abelianization (H₁) = C₂³×C₇ · Schur multiplier (H₂) = C₂²

Aliases

direct product

C₇×#4055

Splittings

Fitting	C₅×C₇×M₁₆ ⋊ C₂
Hall	C₅×C₇ ⋊ #137
Sylow	C₅ ⋊ C₇×#137

Subgroups

	subgroup	G/H
center	C₂×C₇	C₂×D₂₀
commutator, cosocle	C₄×C₅	C₂³×C₇
Frattini	C₄	C₂²×C₇×D₅
Fitting	C₅×C₇×M₁₆	C₂
socle	C₂×C₅×C₇	C₂×D₄
prime radical	C₇×#709	C₂
hypercenter	C₇×M₁₆	D₅
hypocenter	C₅	C₇×#137
LCS	G ▷ C₄×C₅ ▷ C₂×C₅ ▷ C₅
UCS	C₁ ◁ C₂×C₇ ◁ C₂×C₄×C₇ ◁ C₇×M₁₆

120 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 58 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degree	μ(G) = 28
transitive degree	μ_t(G) = 560

A minimal faithful permutation representation — 3 generators on 28 points:

(1,2,3,4,5,6,7)(8,9,11,12,10)(13,16,17,24,18,25,15,22)(14,20,19,23,21,28,26,27);(13,15,18,17)(14,19,21,26)(16,24,25,22)(20,27,28,23);(9,10)(11,12)(13,14)(15,19)(16,23)(17,26)(18,21)(20,24)(22,28)(25,27)

Conjugacy classes & character table

217 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 759);