Finite Group Databasebeta

C22⋊(C7⋊#170) #11764689

order1120
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊(C7⋊#170)

Splittings

HallC5×C7 ⋊ C22⋊C8
SylowC7 ⋊ C22⋊#170
SylowC5 ⋊ C22⋊(C7⋊C8)

Subgroups

subgroupG/H
center, FrattiniC22C2×C7⋊AGL(1,𝔽5)
commutatorC2×C5×C7C2×C8
Fitting, prime radicalC23×C5×C7C4
socleC22×C5×C7C2×C4
cosocleC2×C7×Dic5C22
hypercenterC23C7⋊AGL(1,𝔽5)
hypocenterC5×C7C22⋊C8
LCSG ▷ C2×C5×C7 ▷ C5×C7
UCSC1 ◁ C22 ◁ C23

100 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 560

Polycyclic presentation:

2^5,5,7|a^2=c,c^2=e,b^a=bd,f^a=f^2,g^a=g^6,f^c=f^4

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 295);