Finite Group Databasebeta
Cayley diagram

C23⋊C8 #4400

order184
isoclinismisoclinic class of D23
automorphismAut(G) = C22×AGL(1,𝔽23) (order 2024) · Inn(G) = D23 · Out(G) = C22×C11
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC23⋊C8

Splittings

derived, SylowC23 ⋊ C8

Subgroups

subgroupG/H
center, Frattini, hypercenterC4D23
commutator, hypocenterC23C8
Fitting, cosocleC4×C23C2
socle, prime radicalC2×C23C4
LCSG ▷ C23
UCSC1 ◁ C4

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 31
transitive degreeμt(G) = 184

A minimal faithful permutation representation — 2 generators on 31 points:

(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)(24,25,26,28,27,29,30,31);(1,2,4,6,8,10,12,14,16,18,20,22,23,21,19,17,15,13,11,9,7,5,3)

Polycyclic presentation:

2^3,23|a^2=b,b^2=c,d^a=d^22

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×D23, #67262, C2×C23⋊C8, …
maximal normal subgroup ofC8×D23, #67262, C2×C23⋊C8, …
maximal quotient ofC23⋊C16, C2×C23⋊C8, C3×C23⋊C8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(184, 1);