Finite Group Databasebeta

C7⋊(C23⋊C8) #13046221

order1288
isoclinismisoclinic class of D161
automorphism?
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(C23⋊C8)
unambiguous semidirect productC23⋊(C7⋊C8)

Splittings

derived, HallC7×C23 ⋊ C8
SylowC23 ⋊ C7⋊C8
SylowC7 ⋊ C23⋊C8

Subgroups

subgroupG/H
center, Frattini, hypercenterC4D161
commutator, hypocenterC7×C23C8
Fitting, cosocleC4×C7×C23C2
socle, prime radicalC2×C7×C23C4
LCSG ▷ C7×C23
UCSC1 ◁ C4

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 1288

Polycyclic presentation:

2^3,7,23|a^2=b,b^2=c,d^a=d^6,e^a=e^22

Conjugacy classes & character table

328 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1288, 3);