Finite Group Databasebeta
Cayley diagram

C4×2−1+4⋊C3 #85581

order384
automorphism?
homologyAbelianization (H1) = C22×C3×C4 · Schur multiplier (H2) = C23

Aliases

direct productC4×2−1+4⋊C3
unambiguous semidirect product(C4×2−1+4)⋊C3

Splittings

Fitting, SylowC4×2−1+4 ⋊ C3

Subgroups

subgroupG/H
centerC2×C4C22×A4
commutator, hypocenterQ8C22×C3×C4
Frattini, socleC22C23×A4
FittingC4×2−1+4C3
prime radicalC2×2−1+4⋊C3C2
cosocleC2×Q8C23×C3
hypercenterC4×D4A4
LCSG ▷ Q8
UCSC1 ◁ C2×C4 ◁ C4×D4

372 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 372 conjugacy classes of subgroups — too many to draw. Only its 86 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) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 20 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#17439⋊C3, C4×#577⋊C3, C4×#578⋊C3, …
maximal normal subgroup of#17439⋊C3, C4×#577⋊C3, C4×#578⋊C3, …
maximal quotient ofC4×#520⋊C3, C4×#519⋊C3, C4×#548⋊C3, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(384, 18157);