Finite Group Databasebeta
Cayley diagram

C2×#6441 #90172

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

Aliases

direct productC2×#6441

Splittings

SylowC7 ⋊ C2×C22⋊Q8

Subgroups

subgroupG/H
centerC23C22×D7
commutator, cosocleC22×C7C24
FrattiniC22C23×D7
FittingC2×C7×C22⋊C4C2
socleC23×C7C23
prime radicalC24×C7C22
hypercenterC2×C22⋊C4D7
hypocenterC7C2×C22⋊Q8
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C23 ◁ C2×C22⋊C4

322 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 322 conjugacy classes of subgroups — too many to draw. Only its 135 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:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11726709, C4×#6441, #11730892, …
maximal normal subgroup of#11726709, C4×#6441, #11730892, …
maximal quotient ofC2×#89426, C2×#89427, C2×#89419, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 934);