Finite Group Databasebeta
Cayley diagram

#6406

order224
isoclinismisoclinic class of #1141
automorphismAut(G) = C23×D4×AGL(1,𝔽7) (order 2688) · Inn(G) = C22⋊D7 · Out(G) = C24×C3
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC7 ⋊ #102

Subgroups

subgroupG/H
centerC22C22⋊D7
commutatorC4×C7C2×C4
FrattiniC2×C4C2×D7
Fitting, prime radicalC2×C7×D4C2
socleC22×C7D4
cosocleC2×C4×C7C22
hypercenterC2×D4D7
hypocenterC7#102
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D4

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 2 generators on 19 points:

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

Polycyclic presentation:

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

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#89324, D4⋊(C7⋊C8), #89332, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 38);