Finite Group Databasebeta

D5⋊#1131 #11765319

order1120
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD5⋊#1131

Splittings

HallC5×C7 ⋊ C2×M16
SylowC7 ⋊ D5⋊M16
SylowC5 ⋊ C2×#1131

Subgroups

subgroupG/H
center, hypercenterC4D7×AGL(1,𝔽5)
commutator, socleC2×C5×C7C22×C4
FrattiniC2C2×D7×AGL(1,𝔽5)
FittingC4×C5×C7C2×C4
prime radicalC2×D5×D7C4
cosocleC7×Dic5C23
hypocenterC5×C7C2×M16
LCSG ▷ C2×C5×C7 ▷ C5×C7
UCSC1 ◁ C4

136 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 136 conjugacy classes of subgroups — too many to draw. Only its 50 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 280

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72217787, AGL(1,𝔽5)×#1131, #72217907, …
maximal normal subgroup of#72217787, AGL(1,𝔽5)×#1131, #72217907, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 925);