Finite Group Databasebeta

D157⋊(C4⋊C8) #23758274

order10048
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD157⋊(C4⋊C8)

Splittings

SylowC157 ⋊ C2×C4⋊C8

Subgroups

subgroupG/H
centerC2×C4C2×#10597845
commutatorC2×C157C22×C8
FrattiniC22C22×#10597845
FittingC42×C157C4
socleC22×C157C22×C4
prime radicalC22×D157C2×C4
cosocleC2×Dic157C23
hypercenterC42#10597845
hypocenterC157C2×C4⋊C8
LCSG ▷ C2×C157 ▷ C157
UCSC1 ◁ C2×C4 ◁ C42

138 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,157|a^2=e,b^2=d,e^2=f,b^a=bd,g^a=g^129,g^c=g^156,g^e=g^156

Conjugacy classes & character table

664 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#34114965, #34114971, #34115000, …
maximal normal subgroup of#34114965, #34114971, #34115000, …
maximal quotient ofD157⋊#334, D157⋊#335, #34115684, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10048, 1550);