Finite Group Databasebeta
Cayley diagram

C22⋊C4×Dic7 #89713

order448
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4

Aliases

direct productC22⋊C4×Dic7

Splittings

SylowC7 ⋊ C4×C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC23C22×D7
commutatorC2×C7C2×C42
FittingC2×C7×C22⋊C4C2
socle, cosocleC23×C7C23
prime radicalC24×C7C22
hypercenterC2×C22⋊C4D7
hypocenterC7C4×C22⋊C4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C23 ◁ C2×C22⋊C4

258 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 258 conjugacy classes of subgroups — too many to draw. Only its 111 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11726706, #11726709, Dic7×#99, …
maximal normal subgroup of#11726706, #11726709, Dic7×#99, …
maximal quotient ofDic7×#95, #11727155, #11727161, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 475);