Finite Group Databasebeta
Cayley diagram

#6380

order224
automorphismAut(G) = #120×AGL(1,𝔽7) (order 1344) · Inn(G) = (C2×D7)⋊C4 · Out(G) = C22×C3
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC7×C22⋊C4 ⋊ C2
SylowC7 ⋊ #99

Subgroups

subgroupG/H
centerC2(C2×D7)⋊C4
commutatorC22×C7C2×C4
FrattiniC23C2×D7
FittingC7×C22⋊C4C2
socleC2×C7C22⋊C4
prime radicalC2×C22⋊D7C2
cosocleC23×C7C22
hypercenterC22⋊C4D7
hypocenterC7#99
LCSG ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C23 ◁ C22⋊C4

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 2 generators on 15 points:

(1,2,4,6,7,5,3)(8,10)(9,12,13,14)(11,15);(2,3)(4,5)(6,7)(8,9)(10,14)(11,13)(12,15)

Polycyclic presentation:

2^5,7|b^2=c,b^a=bd,c^a=ce,f^a=f^6,d^b=de

Conjugacy classes & character table

41 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#89512, #89513, #89514, …
maximal normal subgroup of#89512, #89513, #89514, …
maximal quotient of#89246, #89247, #89262, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 12);