Finite Group Databasebeta
Cayley diagram

#6451

order224
automorphismAut(G) = C22×#120×AGL(1,𝔽7) (order 5376) · Inn(G) = C22×D7 · Out(G) = C22×C3×D4
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC7 ⋊ C4⋊Q8

Subgroups

subgroupG/H
center, FrattiniC22C22×D7
commutator, socle, prime radical, cosocleC22×C7C23
FittingC7×C4⋊C4C2
hypercenterC4⋊C4D7
hypocenterC7C4⋊Q8
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ C4⋊C4

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 19 points:

(1,2,4,6,7,5,3)(9,11)(12,14,15,19)(13,16,17,18);(8,9,10,11);(2,3)(4,5)(6,7)(12,13,15,17)(14,18,19,16)

Polycyclic presentation:

2^5,7|a^2=d,b^2=e,c^2=d,c^a=cd,f^a=f^6,c^b=ce

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#89531, #89532, #89533, …
maximal normal subgroup of#89531, #89532, #89533, …
maximal quotient of#89418, #89419, #89428, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 83);