Finite Group Databasebeta
Cayley diagram

#6439

order224
automorphismAut(G) = C22×AGL(1,𝔽7)×C22⋊A4 (order 8064) · Inn(G) = C22×D7 · Out(G) = C22×C3×A4
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC42×C7 ⋊ C2
SylowC7 ⋊ #126

Subgroups

subgroupG/H
center, FrattiniC22C22×D7
commutator, socle, cosocleC22×C7C23
FittingC42×C7C2
prime radicalC22×D7C22
hypercenterC42D7
hypocenterC7#126
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ C42

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 3 generators on 23 points:

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

Polycyclic presentation:

2^5,7|b^2=d,c^2=e,b^a=be,c^a=cde,f^a=f^6

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#6439, #90170, #90218, …
maximal normal subgroup ofC2×#6439, #90170, #90218, …
maximal quotient of#89430, C7⋊#401, #89447, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 71);