Finite Group Databasebeta
Cayley diagram

C2×#6457 #90196

order448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#6457

Splittings

FittingC2×C7×C4⋊C4 ⋊ C2
SylowC7 ⋊ C2×#123

Subgroups

subgroupG/H
centerC23C22×D7
commutator, cosocleC22×C7C24
FrattiniC22C23×D7
FittingC2×C7×C4⋊C4C2
socleC23×C7C23
prime radicalC22×D28C2
hypercenterC2×C4⋊C4D7
hypocenterC7C2×#123
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C23 ◁ C2×C4⋊C4

342 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 119 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) = 21
transitive degreeμt(G) = 224

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725900, #11731112, C4×#6457, …
maximal normal subgroup of#11725900, #11731112, C4×#6457, …
maximal quotient ofC2×#89427, C2×#89441, C2×#89444, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 958);