Finite Group Databasebeta
Cayley diagram

C22×Dic28 #90433

order448
isoclinismisoclinic class of #1132
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC22×Dic28

Splittings

SylowC7 ⋊ C22×Q16

Subgroups

subgroupG/H
centerC23D28
commutator, cosocleC4×C7C24
FrattiniC4C23×D7
FittingC22×C7×C8C2
socle, prime radicalC23×C7D4
hypercenterC22×C8D7
hypocenterC7C22×Q16
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C23 ◁ C22×C4 ◁ C22×C8

258 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 4 generators on 27 points:

(5,6,8,10,11,9,7)(12,14,21,25,16,23,15,22)(13,17,24,27,19,26,18,20);(1,2)(3,4)(6,7)(8,9)(10,11)(12,13,16,19)(14,20,23,27)(15,24,21,18)(17,25,26,22);(3,4);(1,2)

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11726431, #11726439, #11726442, …
maximal normal subgroup of#11726431, #11726439, #11726442, …
maximal quotient ofC2×#89454, C2×C4×Dic28, C2×#89453, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1195);