Finite Group Databasebeta
Cayley diagram

C2×Q8×Dic7 #90502

order448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×Q8×Dic7

Splittings

SylowC7 ⋊ C2×C4×Q8

Subgroups

subgroupG/H
centerC23C22×D7
commutatorC2×C7C23×C4
FrattiniC22C23×D7
FittingC22×C7×Q8C2
socle, prime radicalC23×C7C23
cosocleC22×C7C24
hypercenterC22×Q8D7
hypocenterC7C2×C4×Q8
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C23 ◁ C22×Q8

298 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 4 generators on 21 points:

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic7×#101, #11727851, Dic7×#103, …
maximal normal subgroup ofDic7×#101, #11727851, Dic7×#103, …
maximal quotient ofC2×C4⋊C4×Dic7, C2×#89753, C2×#89757, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1264);