Finite Group Databasebeta
Cayley diagram

C2×#6455 #90193

order448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#6455

Splittings

FittingC2×C7×C4⋊C4 ⋊ C2
SylowC7 ⋊ C2×#117

Subgroups

subgroupG/H
centerC23C22×D7
commutatorC2×C7C23×C4
FrattiniC22C23×D7
FittingC2×C7×C4⋊C4C2
socleC23×C7C23
prime radicalC23×D7C22
cosocleC22×C7C24
hypercenterC2×C4⋊C4D7
hypocenterC7C2×#117
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C23 ◁ C2×C4⋊C4

330 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 330 conjugacy classes of subgroups — too many to draw. Only its 167 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)(16,20);(1,2)(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

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725878, #11725880, #11726567, …
maximal normal subgroup of#11725878, #11725880, #11726567, …
maximal quotient ofC2×#89420, C2×#89438, C2×#89423, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 955);