Finite Group Databasebeta

C4⋊#14523346 #22551658

order8224
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#14523346

Splittings

SylowC257 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC22C2×#11759967
commutatorC2×C257C2×C8
FittingC2×C4×C257C4
socleC22×C257C2×C4
hypercenterC2×C4#11759967
hypocenterC257C4⋊C8
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C2×C4

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^5,257|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^241,f^d=f^256

Conjugacy classes & character table

532 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD4⋊#14523346, #30657585, Q8⋊#14523346, …
maximal normal subgroup ofD4⋊#14523346, #30657585, Q8⋊#14523346, …
maximal quotient of#30657598, #30657600, #30657603, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8224, 212);