Finite Group Databasebeta

D157⋊#100 #23758256

order10048
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD157⋊#100

Splittings

SylowC157 ⋊ C2×#100

Subgroups

subgroupG/H
centerC2C2×C22⋊#10597845
commutatorC22×C157C22×C4
FrattiniC22C22×#10597845
FittingC2×D4×C157C4
socleC2×C157C2×C22⋊C4
prime radicalC2×D4×D157C2
cosocleC2×Dic157C23
hypercenterC2×D4#10597845
hypocenterC157C2×#100
LCSG ▷ C22×C157 ▷ C2×C157 ▷ C157
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×D4

186 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

412 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#34115219, #100×#10597845, #34115982, …
maximal normal subgroup of#34115219, #100×#10597845, #34115982, …
maximal quotient ofD157⋊#323, #34115376, #34115377, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10048, 1532);