Finite Group Databasebeta
Cayley diagram

#6408

order224
automorphismAut(G) = AGL(1,𝔽7)×B(4,𝔽2) (order 2688) · Inn(G) = C22⋊Dic7 · Out(G) = C23×C3
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC7 ⋊ #99

Subgroups

subgroupG/H
centerC2C22⋊Dic7
commutatorC22×C7C2×C4
FrattiniC23C2×D7
Fitting, prime radicalC2×C7×D4C2
socleC2×C7C22⋊C4
cosocleC23×C7C22
hypercenterC2×D4D7
hypocenterC7#99
LCSG ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C23 ◁ C2×D4

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

Polycyclic presentation:

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

Conjugacy classes & character table

41 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#89268, #89269, #89270, …
maximal normal subgroup of#89268, #89269, #89270, …
maximal quotient of#89320, #89321, #89323, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 40);