Finite Group Databasebeta
Cayley diagram

#1020⋊C4 #72990

order384
isoclinismisoclinic class of #1020⋊C2
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product#1020⋊C4

Splittings

Fitting#379 ⋊ D3
derivedC22⋊A4 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2#1020⋊C2
commutator, hypocenterC22⋊A4C2×C4
Frattini, socleC23C2×S4
Fitting#379D3
prime radicalC2×#1020C2
cosocleC2×C22⋊A4C22
LCSG ▷ C22⋊A4
UCSC1 ◁ C2

241 conjugacy classes of subgroups; only the 16 normal subgroups are shown.

normal subgroups only

This group has 241 conjugacy classes of subgroups — too many to draw. Only its 16 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) = 12
transitive degreeμt(G) = 12

A minimal faithful permutation representation — 2 generators on 12 points:

(1,6,11,2,7,10,3,9,8,5,4,12);(4,8)(6,10)(7,11)(9,12)

Polycyclic presentation:

2^3,3,2^4|b^2=c,d^a=d^2,e^a=f,f^a=e,g^a=gh,e^b=egh,f^b=fg,e^d=f,f^d=ef,g^d=h,h^d=gh

Conjugacy classes & character table

28 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#1020⋊C4, C4×#1020⋊C2, #11713200, …
maximal normal subgroup ofC2×#1020⋊C4, C4×#1020⋊C2, #11713200, …
maximal quotient of#1020⋊C8, #11711114, #11711138, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(384, 5566);