Finite Group Databasebeta

(C7⋊D7)⋊D31 #20258676

order6076
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product(C7⋊D7)⋊D31
unambiguous semidirect productD217⋊D7

Splittings

Fitting, socle, derived, HallC72×C31 ⋊ C22
SylowC72 ⋊ C2×D31
SylowC31 ⋊ D72

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC72×C31C22
LCSG ▷ C72×C31
UCSC1

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,7^2,31|c^a=c^6,e^a=e^30,c^b=c^6,d^b=d^6

Conjugacy classes & character table

415 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#32912146, #32912147, #64424⋊D31, …
maximal normal subgroup of#32912146, #32912147, #64424⋊D31, …
maximal quotient ofC3×(C7⋊D7)⋊D31, D217⋊D21, #32912279, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6076, 21);