Finite Group Databasebeta
Cayley diagram

C22×C4⋊Dic7 #90476

order448
isoclinismisoclinic class of Dic14
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC22×C4⋊Dic7

Splittings

SylowC7 ⋊ C22×C4⋊C4

Subgroups

subgroupG/H
centerC24C2×D7
commutatorC2×C7C23×C4
FrattiniC22C23×D7
FittingC23×C4×C7C2
socle, prime radicalC24×C7C22
cosocleC22×C7C24
hypercenterC23×C4D7
hypocenterC7C22×C4⋊C4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C24 ◁ C23×C4

418 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 4 generators on 19 points:

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11727161, #11727164, #11727165, …
maximal normal subgroup of#11727161, #11727164, #11727165, …
maximal quotient ofC22×C4⋊(C7⋊C8), C2×#89696, C2×C4×C4⋊Dic7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1238);